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37920052 = 2229893673
BaseRepresentation
bin1001000010100…
…1110100110100
32122100112112101
42100221310310
534201420202
63432431444
7640213042
oct220516464
978315471
1037920052
111a44a995
1210848584
137b18c01
145071392
1534e0887
hex2429d34

37920052 has 24 divisors (see below), whose sum is σ = 69438600. Its totient is φ = 18095616.

The previous prime is 37920049. The next prime is 37920059. The reversal of 37920052 is 25002973.

It can be written as a sum of positive squares in 4 ways, for example, as 23716 + 37896336 = 154^2 + 6156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 37920052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37920059) 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, 8488 + ... + 12160.

It is an arithmetic number, because the mean of its divisors is an integer number (2893275).

Almost surely, 237920052 is an apocalyptic number.

It is an amenable number.

37920052 is a deficient number, since it is larger than the sum of its proper divisors (31518548).

37920052 is a wasteful number, since it uses less digits than its factorization.

37920052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795 (or 3793 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 37920052 is about 6157.9259495385. The cubic root of 37920052 is about 335.9616003925.

The spelling of 37920052 in words is "thirty-seven million, nine hundred twenty thousand, fifty-two".

Divisors: 1 2 4 29 58 89 116 178 356 2581 3673 5162 7346 10324 14692 106517 213034 326897 426068 653794 1307588 9480013 18960026 37920052