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38540748 = 22325712497
BaseRepresentation
bin1001001100000…
…1010111001100
32200112001222010
42103001113030
534331300443
63454021220
7645406461
oct223012714
980461863
1038540748
111a834264
1210aa7810
137ca559c
145193668
1535b4733
hex24c15cc

38540748 has 24 divisors (see below), whose sum is σ = 90285552. Its totient is φ = 12795904.

The previous prime is 38540743. The next prime is 38540783. The reversal of 38540748 is 84704583.

It is not an unprimeable number, because it can be changed into a prime (38540743) 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 7 ways as a sum of consecutive naturals, for example, 3165 + ... + 9332.

It is an arithmetic number, because the mean of its divisors is an integer number (3761898).

Almost surely, 238540748 is an apocalyptic number.

It is an amenable number.

38540748 is an abundant number, since it is smaller than the sum of its proper divisors (51744804).

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

38540748 is a wasteful number, since it uses less digits than its factorization.

38540748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12761 (or 12759 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 38540748 is about 6208.1195220453. The cubic root of 38540748 is about 337.7847561110.

The spelling of 38540748 in words is "thirty-eight million, five hundred forty thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 257 514 771 1028 1542 3084 12497 24994 37491 49988 74982 149964 3211729 6423458 9635187 12846916 19270374 38540748