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152807241 = 397152457
BaseRepresentation
bin10010001101110…
…10011101001001
3101122112102010110
421012322131021
5303104312431
623055104533
73533561106
oct1106723511
9348472113
10152807241
117928a384
1243212149
13258728b2
1416419aad
15d636346
hex91ba749

152807241 has 8 divisors (see below), whose sum is σ = 203956704. Its totient is φ = 101764640.

The previous prime is 152807231. The next prime is 152807297. The reversal of 152807241 is 142708251.

152807241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152807241 - 27 = 152807113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 152807199 and 152807208.

It is not an unprimeable number, because it can be changed into a prime (152807201) 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, 23316 + ... + 29141.

It is an arithmetic number, because the mean of its divisors is an integer number (25494588).

Almost surely, 2152807241 is an apocalyptic number.

It is an amenable number.

152807241 is a deficient number, since it is larger than the sum of its proper divisors (51149463).

152807241 is an equidigital number, since it uses as much as digits as its factorization.

152807241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53431.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 152807241 is about 12361.5226003919. The cubic root of 152807241 is about 534.6234179892.

The spelling of 152807241 in words is "one hundred fifty-two million, eight hundred seven thousand, two hundred forty-one".

Divisors: 1 3 971 2913 52457 157371 50935747 152807241