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152426393 = 721775199
BaseRepresentation
bin10010001010111…
…01011110011001
3101121211001200222
421011131132121
5303010121033
623043005425
73530413550
oct1105353631
9347731628
10152426393
117904a229
1243069875
132576b442
141635ad97
15d5ad598
hex915d799

152426393 has 4 divisors (see below), whose sum is σ = 174201600. Its totient is φ = 130651188.

The previous prime is 152426383. The next prime is 152426399. The reversal of 152426393 is 393624251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152426393 - 220 = 151377817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152426399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10887593 + ... + 10887606.

It is an arithmetic number, because the mean of its divisors is an integer number (43550400).

Almost surely, 2152426393 is an apocalyptic number.

It is an amenable number.

152426393 is a deficient number, since it is larger than the sum of its proper divisors (21775207).

152426393 is an equidigital number, since it uses as much as digits as its factorization.

152426393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21775206.

The product of its digits is 38880, while the sum is 35.

The square root of 152426393 is about 12346.1084152052. The cubic root of 152426393 is about 534.1788935713.

The spelling of 152426393 in words is "one hundred fifty-two million, four hundred twenty-six thousand, three hundred ninety-three".

Divisors: 1 7 21775199 152426393