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38987796 = 22316671949
BaseRepresentation
bin1001010010111…
…0100000010100
32201100210012110
42110232200110
534440102141
63511351020
7652251021
oct224564024
981323173
1038987796
112000a121
1211082470
138100c03
14526c548
153651e16
hex252e814

38987796 has 24 divisors (see below), whose sum is σ = 91072800. Its totient is φ = 12981472.

The previous prime is 38987789. The next prime is 38987797. The reversal of 38987796 is 69778983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38987797) 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, 19030 + ... + 20978.

It is an arithmetic number, because the mean of its divisors is an integer number (3794700).

Almost surely, 238987796 is an apocalyptic number.

It is an amenable number.

38987796 is an abundant number, since it is smaller than the sum of its proper divisors (52085004).

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

38987796 is a wasteful number, since it uses less digits than its factorization.

38987796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623 (or 3621 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 57.

The square root of 38987796 is about 6244.0208199525. The cubic root of 38987796 is about 339.0857676671.

The spelling of 38987796 in words is "thirty-eight million, nine hundred eighty-seven thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 1667 1949 3334 3898 5001 5847 6668 7796 10002 11694 20004 23388 3248983 6497966 9746949 12995932 19493898 38987796