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37968969 = 312656323
BaseRepresentation
bin1001000011010…
…1110001001001
32122110000122010
42100311301021
534210001334
63433450133
7640505463
oct220656111
978400563
1037968969
111a483715
1210870949
137b3525c
145085133
1535000e9
hex2435c49

37968969 has 4 divisors (see below), whose sum is σ = 50625296. Its totient is φ = 25312644.

The previous prime is 37968949. The next prime is 37968971. The reversal of 37968969 is 96986973.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 37968969 - 25 = 37968937 is a prime.

It is a super-2 number, since 2×379689692 = 2883285213845922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37968949) 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 3 ways as a sum of consecutive naturals, for example, 6328159 + ... + 6328164.

It is an arithmetic number, because the mean of its divisors is an integer number (12656324).

Almost surely, 237968969 is an apocalyptic number.

It is an amenable number.

37968969 is a deficient number, since it is larger than the sum of its proper divisors (12656327).

37968969 is a wasteful number, since it uses less digits than its factorization.

37968969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12656326.

The product of its digits is 4408992, while the sum is 57.

The square root of 37968969 is about 6161.8965424616. The cubic root of 37968969 is about 336.1060021980.

The spelling of 37968969 in words is "thirty-seven million, nine hundred sixty-eight thousand, nine hundred sixty-nine".

Divisors: 1 3 12656323 37968969