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37914139 = 191995481
BaseRepresentation
bin1001000010100…
…0011000011011
32122100020102101
42100220120123
534201223024
63432344231
7640156564
oct220503033
978306371
1037914139
111a4464aa
1210845077
137b16303
14506d16b
1534ddc44
hex242861b

37914139 has 4 divisors (see below), whose sum is σ = 39909640. Its totient is φ = 35918640.

The previous prime is 37914127. The next prime is 37914157. The reversal of 37914139 is 93141973.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-37914139 is a prime.

It is a super-2 number, since 2×379141392 = 2874963872222642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37914098 and 37914107.

It is not an unprimeable number, because it can be changed into a prime (37914739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997722 + ... + 997759.

It is an arithmetic number, because the mean of its divisors is an integer number (9977410).

Almost surely, 237914139 is an apocalyptic number.

37914139 is a deficient number, since it is larger than the sum of its proper divisors (1995501).

37914139 is a wasteful number, since it uses less digits than its factorization.

37914139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995500.

The product of its digits is 20412, while the sum is 37.

The square root of 37914139 is about 6157.4458178696. The cubic root of 37914139 is about 335.9441369477.

The spelling of 37914139 in words is "thirty-seven million, nine hundred fourteen thousand, one hundred thirty-nine".

Divisors: 1 19 1995481 37914139