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37930897 = 191996363
BaseRepresentation
bin1001000010110…
…0011110010001
32122101002102001
42100230132101
534202242042
63432554001
7640256464
oct220543621
978332361
1037930897
111a458054
1210852901
137b20b24
1450752db
1534e3bb7
hex242c791

37930897 has 4 divisors (see below), whose sum is σ = 39927280. Its totient is φ = 35934516.

The previous prime is 37930891. The next prime is 37930931. The reversal of 37930897 is 79803973.

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 a cyclic number.

It is not a de Polignac number, because 37930897 - 23 = 37930889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37930891) 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, 998163 + ... + 998200.

It is an arithmetic number, because the mean of its divisors is an integer number (9981820).

Almost surely, 237930897 is an apocalyptic number.

It is an amenable number.

37930897 is a deficient number, since it is larger than the sum of its proper divisors (1996383).

37930897 is a wasteful number, since it uses less digits than its factorization.

37930897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996382.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 37930897 is about 6158.8064590471. The cubic root of 37930897 is about 335.9936252806.

The spelling of 37930897 in words is "thirty-seven million, nine hundred thirty thousand, eight hundred ninety-seven".

Divisors: 1 19 1996363 37930897