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147857080 = 235729131139
BaseRepresentation
bin10001101000000…
…01111010111000
3101022012220210011
420310001322320
5300322411310
622401031304
73443523130
oct1064017270
9338186704
10147857080
1176509238
1241625534
132482b6c7
14158cbac0
15cea978a
hex8d01eb8

147857080 has 128 divisors (see below), whose sum is σ = 399168000. Its totient is φ = 48222720.

The previous prime is 147857077. The next prime is 147857081. The reversal of 147857080 is 80758741.

147857080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1478570802 = 43723432212252800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147857081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1063651 + ... + 1063789.

It is an arithmetic number, because the mean of its divisors is an integer number (3118500).

Almost surely, 2147857080 is an apocalyptic number.

147857080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147857080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199584000).

147857080 is an abundant number, since it is smaller than the sum of its proper divisors (251310920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147857080 is a wasteful number, since it uses less digits than its factorization.

147857080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 147857080 is about 12159.6496660060. The cubic root of 147857080 is about 528.7869253834.

The spelling of 147857080 in words is "one hundred forty-seven million, eight hundred fifty-seven thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 29 35 40 56 58 70 116 131 139 140 145 203 232 262 278 280 290 406 524 556 580 655 695 812 917 973 1015 1048 1112 1160 1310 1390 1624 1834 1946 2030 2620 2780 3668 3799 3892 4031 4060 4585 4865 5240 5560 7336 7598 7784 8062 8120 9170 9730 15196 16124 18209 18340 18995 19460 20155 26593 28217 30392 32248 36418 36680 37990 38920 40310 53186 56434 72836 75980 80620 91045 106372 112868 127463 132965 141085 145672 151960 161240 182090 212744 225736 254926 265930 282170 364180 509852 528061 531860 564340 637315 728360 1019704 1056122 1063720 1128680 1274630 2112244 2549260 2640305 3696427 4224488 5098520 5280610 7392854 10561220 14785708 18482135 21122440 29571416 36964270 73928540 147857080