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38765530 = 256757859
BaseRepresentation
bin1001001111100…
…0001111011010
32200221111022101
42103320033122
534410444110
63502514014
7650334016
oct223701732
980844271
1038765530
111a978131
1210b9590a
1380539ab
145211546
15360b13a
hex24f83da

38765530 has 16 divisors (see below), whose sum is σ = 70820640. Its totient is φ = 15274512.

The previous prime is 38765527. The next prime is 38765533. The reversal of 38765530 is 3556783.

It is an interprime number because it is at equal distance from previous prime (38765527) and next prime (38765533).

It is a self number, because there is not a number n which added to its sum of digits gives 38765530.

It is not an unprimeable number, because it can be changed into a prime (38765533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28260 + ... + 29599.

It is an arithmetic number, because the mean of its divisors is an integer number (4426290).

Almost surely, 238765530 is an apocalyptic number.

38765530 is a deficient number, since it is larger than the sum of its proper divisors (32055110).

38765530 is a wasteful number, since it uses less digits than its factorization.

38765530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57933.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 38765530 is about 6226.1970736558. The cubic root of 38765530 is about 338.4401732249.

The spelling of 38765530 in words is "thirty-eight million, seven hundred sixty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 67 134 335 670 57859 115718 289295 578590 3876553 7753106 19382765 38765530