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38379225 = 352511723
BaseRepresentation
bin1001001001100…
…1111011011001
32200012212101210
42102121323121
534311113400
63450333333
7644134533
oct222317331
980185353
1038379225
111a733975
1210a2a249
137c49c01
145150853
153581950
hex2499ed9

38379225 has 12 divisors (see below), whose sum is σ = 63453776. Its totient is φ = 20468880.

The previous prime is 38379223. The next prime is 38379233. The reversal of 38379225 is 52297383.

It is not a de Polignac number, because 38379225 - 21 = 38379223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38379223) 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, 255787 + ... + 255936.

Almost surely, 238379225 is an apocalyptic number.

It is an amenable number.

38379225 is a deficient number, since it is larger than the sum of its proper divisors (25074551).

38379225 is a wasteful number, since it uses less digits than its factorization.

38379225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511736 (or 511731 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 38379225 is about 6195.0968515432. The cubic root of 38379225 is about 337.3122137786.

The spelling of 38379225 in words is "thirty-eight million, three hundred seventy-nine thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 511723 1535169 2558615 7675845 12793075 38379225