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38906976 = 253478623
BaseRepresentation
bin1001010001101…
…0110001100000
32201012200100010
42110122301200
534430010401
63505524520
7651463263
oct224326140
981180303
1038906976
111aa64429
1211043740
1380a31a4
14524acda
153637ed6
hex251ac60

38906976 has 48 divisors (see below), whose sum is σ = 104315904. Its totient is φ = 12691584.

The previous prime is 38906971. The next prime is 38906977. The reversal of 38906976 is 67960983.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38906971) 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, 201 + ... + 8823.

It is an arithmetic number, because the mean of its divisors is an integer number (2173248).

Almost surely, 238906976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38906976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52157952).

38906976 is an abundant number, since it is smaller than the sum of its proper divisors (65408928).

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

38906976 is a wasteful number, since it uses less digits than its factorization.

38906976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8683 (or 8675 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 38906976 is about 6237.5456711755. The cubic root of 38906976 is about 338.8513022464.

The spelling of 38906976 in words is "thirty-eight million, nine hundred six thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 47 48 94 96 141 188 282 376 564 752 1128 1504 2256 4512 8623 17246 25869 34492 51738 68984 103476 137968 206952 275936 405281 413904 810562 827808 1215843 1621124 2431686 3242248 4863372 6484496 9726744 12968992 19453488 38906976