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155336064 = 2731329237
BaseRepresentation
bin10010100001000…
…11110110000000
3101211021220000120
421100203312000
5304231223224
623225220240
73564222552
oct1120436600
9354256016
10155336064
117a757314
1244031680
1326249940
14168b74d2
15d985779
hex9423d80

155336064 has 192 divisors, whose sum is σ = 472639440. Its totient is φ = 44900352.

The previous prime is 155336063. The next prime is 155336087. The reversal of 155336064 is 460633551.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155336063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4198254 + ... + 4198290.

Almost surely, 2155336064 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 155336064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236319720).

155336064 is an abundant number, since it is smaller than the sum of its proper divisors (317303376).

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

155336064 is a wasteful number, since it uses less digits than its factorization.

155336064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 155336064 is about 12463.3889452267. The cubic root of 155336064 is about 537.5564767770.

The spelling of 155336064 in words is "one hundred fifty-five million, three hundred thirty-six thousand, sixty-four".