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154012056 = 233113715767
BaseRepresentation
bin10010010111000…
…00100110011000
3101201210121211020
421023200212120
5303411341211
623141002440
73550036512
oct1113404630
9351717736
10154012056
1179a325a0
12436b3420
1325ba50c3
1416650bb2
15d7c3306
hex92e0998

154012056 has 64 divisors (see below), whose sum is σ = 431412480. Its totient is φ = 45406080.

The previous prime is 154012037. The next prime is 154012057. The reversal of 154012056 is 650210451.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154012057) 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, 1885 + ... + 17651.

It is an arithmetic number, because the mean of its divisors is an integer number (6740820).

Almost surely, 2154012056 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 154012056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215706240).

154012056 is an abundant number, since it is smaller than the sum of its proper divisors (277400424).

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

154012056 is a wasteful number, since it uses less digits than its factorization.

154012056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15824 (or 15820 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 154012056 is about 12410.1593865671. The cubic root of 154012056 is about 536.0248280621.

The spelling of 154012056 in words is "one hundred fifty-four million, twelve thousand, fifty-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 37 44 66 74 88 111 132 148 222 264 296 407 444 814 888 1221 1628 2442 3256 4884 9768 15767 31534 47301 63068 94602 126136 173437 189204 346874 378408 520311 583379 693748 1040622 1166758 1387496 1750137 2081244 2333516 3500274 4162488 4667032 6417169 7000548 12834338 14001096 19251507 25668676 38503014 51337352 77006028 154012056