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152990320 = 24572291193
BaseRepresentation
bin10010001111001…
…11001001110000
3101122212201021011
421013213021300
5303131142240
623103040304
73535252630
oct1107471160
9348781234
10152990320
11793a498a
12432a0094
1325908022
14164666c0
15d6706ea
hex91e7270

152990320 has 80 divisors (see below), whose sum is σ = 408634560. Its totient is φ = 52180992.

The previous prime is 152990317. The next prime is 152990323. The reversal of 152990320 is 23099251.

It is an interprime number because it is at equal distance from previous prime (152990317) and next prime (152990323).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152990323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127644 + ... + 128836.

It is an arithmetic number, because the mean of its divisors is an integer number (5107932).

Almost surely, 2152990320 is an apocalyptic number.

152990320 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 152990320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204317280).

152990320 is an abundant number, since it is smaller than the sum of its proper divisors (255644240).

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

152990320 is a wasteful number, since it uses less digits than its factorization.

152990320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 152990320 is about 12368.9255798553. The cubic root of 152990320 is about 534.8368443003.

The spelling of 152990320 in words is "one hundred fifty-two million, nine hundred ninety thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 229 280 458 560 916 1145 1193 1603 1832 2290 2386 3206 3664 4580 4772 5965 6412 8015 8351 9160 9544 11930 12824 16030 16702 18320 19088 23860 25648 32060 33404 41755 47720 64120 66808 83510 95440 128240 133616 167020 273197 334040 546394 668080 1092788 1365985 1912379 2185576 2731970 3824758 4371152 5463940 7649516 9561895 10927880 15299032 19123790 21855760 30598064 38247580 76495160 152990320