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152429249 = 7229107269
BaseRepresentation
bin10010001010111…
…10001011000001
3101121211012121202
421011132023001
5303010213444
623043030545
73530425100
oct1105361301
9347735552
10152429249
1179051395
124306b455
132576c82b
141635c037
15d5ae34e
hex915e2c1

152429249 has 12 divisors (see below), whose sum is σ = 183431700. Its totient is φ = 126147168.

The previous prime is 152429237. The next prime is 152429297. The reversal of 152429249 is 942924251.

It can be written as a sum of positive squares in 2 ways, for example, as 26832400 + 125596849 = 5180^2 + 11207^2 .

It is not a de Polignac number, because 152429249 - 28 = 152428993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152426249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52214 + ... + 55055.

It is an arithmetic number, because the mean of its divisors is an integer number (15285975).

Almost surely, 2152429249 is an apocalyptic number.

It is an amenable number.

152429249 is a deficient number, since it is larger than the sum of its proper divisors (31002451).

152429249 is a wasteful number, since it uses less digits than its factorization.

152429249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107312 (or 107305 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 152429249 is about 12346.2240786404. The cubic root of 152429249 is about 534.1822298382.

The spelling of 152429249 in words is "one hundred fifty-two million, four hundred twenty-nine thousand, two hundred forty-nine".

Divisors: 1 7 29 49 203 1421 107269 750883 3110801 5256181 21775607 152429249