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202929425 = 52176912
BaseRepresentation
bin11000001100001…
…11010100010001
3112010211212211122
430012013110101
5403422220200
632045252025
75012604656
oct1406072421
9463755748
10202929425
11a4603976
1257b64015
13330717aa
141cd45c2d
1512c37385
hexc187511

202929425 has 18 divisors (see below), whose sum is σ = 266820534. Its totient is φ = 152572800.

The previous prime is 202929413. The next prime is 202929451. The reversal of 202929425 is 524929202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 30558784 + 172370641 = 5528^2 + 13129^2 .

It is not a de Polignac number, because 202929425 - 26 = 202929361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 293330 + ... + 294020.

It is an arithmetic number, because the mean of its divisors is an integer number (14823363).

Almost surely, 2202929425 is an apocalyptic number.

202929425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202929425 is a deficient number, since it is larger than the sum of its proper divisors (63891109).

202929425 is an frugal number, since it uses more digits than its factorization.

202929425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 202929425 is about 14245.3299365090. The cubic root of 202929425 is about 587.6449498993.

The spelling of 202929425 in words is "two hundred two million, nine hundred twenty-nine thousand, four hundred twenty-five".

Divisors: 1 5 17 25 85 425 691 3455 11747 17275 58735 293675 477481 2387405 8117177 11937025 40585885 202929425