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38722025 = 521548881
BaseRepresentation
bin1001001110110…
…1100111101001
32200212021122002
42103231213221
534403101100
63501540345
7650063126
oct223554751
980767562
1038722025
111a948481
1210b746b5
138039c54
1451dd74d
1535ed2d5
hex24ed9e9

38722025 has 6 divisors (see below), whose sum is σ = 48015342. Its totient is φ = 30977600.

The previous prime is 38721983. The next prime is 38722027. The reversal of 38722025 is 52022783.

It can be written as a sum of positive squares in 3 ways, for example, as 6697744 + 32024281 = 2588^2 + 5659^2 .

It is not a de Polignac number, because 38722025 - 26 = 38721961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38722027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 774416 + ... + 774465.

It is an arithmetic number, because the mean of its divisors is an integer number (8002557).

Almost surely, 238722025 is an apocalyptic number.

It is an amenable number.

38722025 is a deficient number, since it is larger than the sum of its proper divisors (9293317).

38722025 is a wasteful number, since it uses less digits than its factorization.

38722025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548891 (or 1548886 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 38722025 is about 6222.7023872270. The cubic root of 38722025 is about 338.3135198882.

The spelling of 38722025 in words is "thirty-eight million, seven hundred twenty-two thousand, twenty-five".

Divisors: 1 5 25 1548881 7744405 38722025