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538679770 = 25112947713
BaseRepresentation
bin100000000110111…
…001100111011010
31101112121202201121
4200012321213122
52100400223040
6125241435454
716230462646
oct4006714732
91345552647
10538679770
112570860a2
1213049bb8a
13877a8a35
1451783c26
1532458c4a
hex201b99da

538679770 has 16 divisors (see below), whose sum is σ = 970502760. Its totient is φ = 215276544.

The previous prime is 538679767. The next prime is 538679807. The reversal of 538679770 is 77976835.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 186404409 + 352275361 = 13653^2 + 18769^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12567 + ... + 35146.

Almost surely, 2538679770 is an apocalyptic number.

538679770 is a deficient number, since it is larger than the sum of its proper divisors (431822990).

538679770 is a wasteful number, since it uses less digits than its factorization.

538679770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48849.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The square root of 538679770 is about 23209.4758665507. The cubic root of 538679770 is about 813.6611034845.

The spelling of 538679770 in words is "five hundred thirty-eight million, six hundred seventy-nine thousand, seven hundred seventy".

Divisors: 1 2 5 10 1129 2258 5645 11290 47713 95426 238565 477130 53867977 107735954 269339885 538679770