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38705025 = 352412307
BaseRepresentation
bin1001001110100…
…1011110000001
32200211102022110
42103221132001
534402030100
63501325533
7646662432
oct223513601
980742273
1038705025
111a936727
1210b668a9
1380322a8
1451d7489
1535e8250
hex24e9781

38705025 has 36 divisors (see below), whose sum is σ = 65804816. Its totient is φ = 20073600.

The previous prime is 38704979. The next prime is 38705041. The reversal of 38705025 is 52050783.

It is a happy number.

It is not a de Polignac number, because 38705025 - 26 = 38704961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38704983 and 38705001.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 125922 + ... + 126228.

Almost surely, 238705025 is an apocalyptic number.

It is an amenable number.

38705025 is a deficient number, since it is larger than the sum of its proper divisors (27099791).

38705025 is a wasteful number, since it uses less digits than its factorization.

38705025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 38705025 is about 6221.3362712523. The cubic root of 38705025 is about 338.2640030934.

The spelling of 38705025 in words is "thirty-eight million, seven hundred five thousand, twenty-five".

Divisors: 1 3 5 15 25 41 75 123 205 307 615 921 1025 1535 1681 3075 4605 5043 7675 8405 12587 23025 25215 37761 42025 62935 126075 188805 314675 516067 944025 1548201 2580335 7741005 12901675 38705025