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153025242 = 2325504207
BaseRepresentation
bin10010001111011…
…11101011011010
3101122221111011120
421013233223122
5303133301432
623103510110
73535456506
oct1107575332
9348844146
10153025242
1179419147
12432b8336
132591aba6
1416475306
15d67ac2c
hex91efada

153025242 has 8 divisors (see below), whose sum is σ = 306050496. Its totient is φ = 51008412.

The previous prime is 153025241. The next prime is 153025267. The reversal of 153025242 is 242520351.

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

153025242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (153025241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12752098 + ... + 12752109.

It is an arithmetic number, because the mean of its divisors is an integer number (38256312).

Almost surely, 2153025242 is an apocalyptic number.

153025242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

153025242 is a wasteful number, since it uses less digits than its factorization.

153025242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25504212.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 153025242 is about 12370.3371821467. The cubic root of 153025242 is about 534.8775356576.

Adding to 153025242 its reverse (242520351), we get a palindrome (395545593).

The spelling of 153025242 in words is "one hundred fifty-three million, twenty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 25504207 51008414 76512621 153025242