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151843968 = 2732891481
BaseRepresentation
bin10010000110011…
…11010010000000
3101120201110202200
421003033102000
5302333001333
623022313200
73522436533
oct1103172200
9346643680
10151843968
1178791691
1242a28800
13255c6303
1416248a1a
15d4e5c13
hex90cf480

151843968 has 96 divisors (see below), whose sum is σ = 442154700. Its totient is φ = 50012160.

The previous prime is 151843961. The next prime is 151843969. The reversal of 151843968 is 869348151.

151843968 is a `hidden beast` number, since 1 + 518 + 43 + 96 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 145733184 + 6110784 = 12072^2 + 2472^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (151843961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101788 + ... + 103268.

Almost surely, 2151843968 is an apocalyptic number.

151843968 is a gapful number since it is divisible by the number (18) 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 151843968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221077350).

151843968 is an abundant number, since it is smaller than the sum of its proper divisors (290310732).

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

151843968 is a wasteful number, since it uses less digits than its factorization.

151843968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590 (or 1575 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 151843968 is about 12322.4984479609. The cubic root of 151843968 is about 533.4976549224.

The spelling of 151843968 in words is "one hundred fifty-one million, eight hundred forty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 89 96 128 144 178 192 267 288 356 384 534 576 712 801 1068 1152 1424 1481 1602 2136 2848 2962 3204 4272 4443 5696 5924 6408 8544 8886 11392 11848 12816 13329 17088 17772 23696 25632 26658 34176 35544 47392 51264 53316 71088 94784 102528 106632 131809 142176 189568 213264 263618 284352 395427 426528 527236 568704 790854 853056 1054472 1186281 1581708 1706112 2108944 2372562 3163416 4217888 4745124 6326832 8435776 9490248 12653664 16871552 18980496 25307328 37960992 50614656 75921984 151843968