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155271160 = 235112367229
BaseRepresentation
bin10010100000100…
…11111111111000
3101211011120222201
421100103333320
5304222134120
623223555544
73563532412
oct1120237770
9354146881
10155271160
117a712580
1243bbbbb4
1326226235
141689b9b2
15d97140a
hex9413ff8

155271160 has 128 divisors (see below), whose sum is σ = 405388800. Its totient is φ = 52968960.

The previous prime is 155271121. The next prime is 155271167. The reversal of 155271160 is 61172551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155271167) 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, 677926 + ... + 678154.

It is an arithmetic number, because the mean of its divisors is an integer number (3167100).

Almost surely, 2155271160 is an apocalyptic number.

155271160 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 155271160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202694400).

155271160 is an abundant number, since it is smaller than the sum of its proper divisors (250117640).

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

155271160 is a wasteful number, since it uses less digits than its factorization.

155271160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 155271160 is about 12460.7848869965. The cubic root of 155271160 is about 537.4815973508.

The spelling of 155271160 in words is "one hundred fifty-five million, two hundred seventy-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 11 20 22 23 40 44 46 55 67 88 92 110 115 134 184 220 229 230 253 268 335 440 458 460 506 536 670 737 916 920 1012 1145 1265 1340 1474 1541 1832 2024 2290 2519 2530 2680 2948 3082 3685 4580 5038 5060 5267 5896 6164 7370 7705 9160 10076 10120 10534 12328 12595 14740 15343 15410 16951 20152 21068 25190 26335 29480 30686 30820 33902 42136 50380 52670 57937 61372 61640 67804 76715 84755 100760 105340 115874 122744 135608 153430 168773 169510 210680 231748 289685 306860 337546 339020 352889 463496 579370 613720 675092 678040 705778 843865 1158740 1350184 1411556 1687730 1764445 2317480 2823112 3375460 3528890 3881779 6750920 7057780 7763558 14115560 15527116 19408895 31054232 38817790 77635580 155271160