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152939469 = 389572807
BaseRepresentation
bin10010001110110…
…10101111001101
3101122210010111210
421013122233031
5303123030334
623102005033
73534651444
oct1107325715
9348703453
10152939469
117936a761
1243276779
13258bab37
1416451d5b
15d6605e9
hex91dabcd

152939469 has 8 divisors (see below), whose sum is σ = 206210880. Its totient is φ = 100813856.

The previous prime is 152939419. The next prime is 152939473. The reversal of 152939469 is 964939251.

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 152939469 - 212 = 152935373 is a prime.

It is a super-2 number, since 2×1529394692 = 46780962356003922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152939419) 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, 286137 + ... + 286670.

It is an arithmetic number, because the mean of its divisors is an integer number (25776360).

Almost surely, 2152939469 is an apocalyptic number.

It is an amenable number.

152939469 is a deficient number, since it is larger than the sum of its proper divisors (53271411).

152939469 is an equidigital number, since it uses as much as digits as its factorization.

152939469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572899.

The product of its digits is 524880, while the sum is 48.

The square root of 152939469 is about 12366.8698141446. The cubic root of 152939469 is about 534.7775812869. Note that the first 3 decimals are identical.

The spelling of 152939469 in words is "one hundred fifty-two million, nine hundred thirty-nine thousand, four hundred sixty-nine".

Divisors: 1 3 89 267 572807 1718421 50979823 152939469