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37868949 = 3231135731
BaseRepresentation
bin1001000001110…
…1010110010101
32122020221102200
42100131112111
534143301244
63431355113
7636611046
oct220352625
978227380
1037868949
111a415558
1210822a99
137acb881
14505a8cd
1534d0669
hex241d595

37868949 has 12 divisors (see below), whose sum is σ = 56464512. Its totient is φ = 24431400.

The previous prime is 37868933. The next prime is 37868951. The reversal of 37868949 is 94986873.

It is not a de Polignac number, because 37868949 - 24 = 37868933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37868895 and 37868904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37868959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67587 + ... + 68144.

It is an arithmetic number, because the mean of its divisors is an integer number (4705376).

Almost surely, 237868949 is an apocalyptic number.

It is an amenable number.

37868949 is a deficient number, since it is larger than the sum of its proper divisors (18595563).

37868949 is a wasteful number, since it uses less digits than its factorization.

37868949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135768 (or 135765 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 37868949 is about 6153.7751827638. The cubic root of 37868949 is about 335.8106128719.

The spelling of 37868949 in words is "thirty-seven million, eight hundred sixty-eight thousand, nine hundred forty-nine".

Divisors: 1 3 9 31 93 279 135731 407193 1221579 4207661 12622983 37868949