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155352252 = 223111176911
BaseRepresentation
bin10010100001001…
…11110010111100
3101211022201020010
421100213302330
5304232233002
623225423220
73564321006
oct1120476274
9354281203
10155352252
117a7684a0
124403ab10
1326254113
14168bd376
15d98a46c
hex9427cbc

155352252 has 24 divisors (see below), whose sum is σ = 395442432. Its totient is φ = 47076400.

The previous prime is 155352209. The next prime is 155352257. The reversal of 155352252 is 252253551.

155352252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155352257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588324 + ... + 588587.

It is an arithmetic number, because the mean of its divisors is an integer number (16476768).

Almost surely, 2155352252 is an apocalyptic number.

155352252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155352252 is an abundant number, since it is smaller than the sum of its proper divisors (240090180).

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

155352252 is a wasteful number, since it uses less digits than its factorization.

155352252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176929 (or 1176927 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 155352252 is about 12464.0383503903. The cubic root of 155352252 is about 537.5751495431.

The spelling of 155352252 in words is "one hundred fifty-five million, three hundred fifty-two thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1176911 2353822 3530733 4707644 7061466 12946021 14122932 25892042 38838063 51784084 77676126 155352252