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152229913 = 1113839083
BaseRepresentation
bin10010001001011…
…01100000011001
3101121110002011221
421010231200121
5302432324123
623034452041
73525634663
oct1104554031
9347402157
10152229913
1178a25650
1242b94021
13256ccb94
1416309533
15d57025d
hex912d819

152229913 has 4 divisors (see below), whose sum is σ = 166069008. Its totient is φ = 138390820.

The previous prime is 152229907. The next prime is 152229929. The reversal of 152229913 is 319922251.

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, and also an emirpimes, since its reverse is a distinct semiprime: 319922251 = 1129083841.

It is a cyclic number.

It is not a de Polignac number, because 152229913 - 29 = 152229401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152229943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6919531 + ... + 6919552.

It is an arithmetic number, because the mean of its divisors is an integer number (41517252).

Almost surely, 2152229913 is an apocalyptic number.

It is an amenable number.

152229913 is a deficient number, since it is larger than the sum of its proper divisors (13839095).

152229913 is a wasteful number, since it uses less digits than its factorization.

152229913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13839094.

The product of its digits is 9720, while the sum is 34.

The square root of 152229913 is about 12338.1486860874. The cubic root of 152229913 is about 533.9492732374.

The spelling of 152229913 in words is "one hundred fifty-two million, two hundred twenty-nine thousand, nine hundred thirteen".

Divisors: 1 11 13839083 152229913