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38269960 = 235956749
BaseRepresentation
bin1001000111111…
…1010000001000
32200000022111221
42101333100020
534244114320
63444131424
7643201141
oct221772010
980008457
1038269960
111a669873
1210996b74
137c0c261
145122ac8
15355e3aa
hex247f408

38269960 has 16 divisors (see below), whose sum is σ = 86107500. Its totient is φ = 15307968.

The previous prime is 38269949. The next prime is 38269961. The reversal of 38269960 is 6996283.

It can be written as a sum of positive squares in 2 ways, for example, as 38266596 + 3364 = 6186^2 + 58^2 .

It is not an unprimeable number, because it can be changed into a prime (38269961) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 478335 + ... + 478414.

Almost surely, 238269960 is an apocalyptic number.

It is an amenable number.

38269960 is an abundant number, since it is smaller than the sum of its proper divisors (47837540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38269960 is a wasteful number, since it uses less digits than its factorization.

38269960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956760 (or 956756 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 38269960 is about 6186.2718983245. The cubic root of 38269960 is about 336.9918021410.

The spelling of 38269960 in words is "thirty-eight million, two hundred sixty-nine thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 956749 1913498 3826996 4783745 7653992 9567490 19134980 38269960