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37938428 = 22111018537
BaseRepresentation
bin1001000010111…
…0010011111100
32122101110201222
42100232103330
534203012203
63433052512
7640320443
oct220562374
978343658
1037938428
111a462780
1210857138
137b24398
145077d5a
1534e6038
hex242e4fc

37938428 has 24 divisors (see below), whose sum is σ = 73153584. Its totient is φ = 17072000.

The previous prime is 37938391. The next prime is 37938443. The reversal of 37938428 is 82483973.

37938428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×379384282 = 2878648638222368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176 + ... + 8712.

It is an arithmetic number, because the mean of its divisors is an integer number (3048066).

Almost surely, 237938428 is an apocalyptic number.

It is an amenable number.

37938428 is a deficient number, since it is larger than the sum of its proper divisors (35215156).

37938428 is a wasteful number, since it uses less digits than its factorization.

37938428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8653 (or 8651 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 37938428 is about 6159.4178296329. The cubic root of 37938428 is about 336.0158604569.

It can be divided in two parts, 3793 and 8428, that added together give a palindrome (12221).

The spelling of 37938428 in words is "thirty-seven million, nine hundred thirty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 4 11 22 44 101 202 404 1111 2222 4444 8537 17074 34148 93907 187814 375628 862237 1724474 3448948 9484607 18969214 37938428