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152988168 = 23317569659
BaseRepresentation
bin10010001111001…
…10101000001000
3101122212121022110
421013212220020
5303131110133
623103022320
73535243434
oct1107465010
9348777273
10152988168
11793a3303
124329a9a0
1325907058
14164659c4
15d66ec63
hex91e6a08

152988168 has 64 divisors (see below), whose sum is σ = 406296000. Its totient is φ = 47839232.

The previous prime is 152988167. The next prime is 152988169. The reversal of 152988168 is 861889251.

It is an interprime number because it is at equal distance from previous prime (152988167) and next prime (152988169).

It is not an unprimeable number, because it can be changed into a prime (152988163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231823 + ... + 232481.

It is an arithmetic number, because the mean of its divisors is an integer number (6348375).

Almost surely, 2152988168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152988168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203148000).

152988168 is an abundant number, since it is smaller than the sum of its proper divisors (253307832).

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

152988168 is a wasteful number, since it uses less digits than its factorization.

152988168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254 (or 1250 counting only the distinct ones).

The product of its digits is 276480, while the sum is 48.

The square root of 152988168 is about 12368.8385873533. The cubic root of 152988168 is about 534.8343365724.

The spelling of 152988168 in words is "one hundred fifty-two million, nine hundred eighty-eight thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 569 659 1138 1318 1707 1977 2276 2636 3414 3954 4552 5272 6828 7908 9673 11203 13656 15816 19346 22406 29019 33609 38692 44812 58038 67218 77384 89624 116076 134436 232152 268872 374971 749942 1124913 1499884 2249826 2999768 4499652 6374507 8999304 12749014 19123521 25498028 38247042 50996056 76494084 152988168