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36979942 = 218489971
BaseRepresentation
bin1000110100010…
…0010011100110
32120120202221111
42031010103212
533431324232
63400335234
7626216146
oct215042346
976522844
1036979942
111996863a
121047451a
13787a02c
144ca8926
1533a7047
hex23444e6

36979942 has 4 divisors (see below), whose sum is σ = 55469916. Its totient is φ = 18489970.

The previous prime is 36979919. The next prime is 36979951. The reversal of 36979942 is 24997963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24997963 = 43915693.

It is a super-2 number, since 2×369799422 = 2735032220646728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9244984 + ... + 9244987.

It is an arithmetic number, because the mean of its divisors is an integer number (13867479).

Almost surely, 236979942 is an apocalyptic number.

36979942 is a deficient number, since it is larger than the sum of its proper divisors (18489974).

36979942 is a wasteful number, since it uses less digits than its factorization.

36979942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18489973.

The product of its digits is 734832, while the sum is 49.

The square root of 36979942 is about 6081.1135493428. The cubic root of 36979942 is about 333.1619601310.

The spelling of 36979942 in words is "thirty-six million, nine hundred seventy-nine thousand, nine hundred forty-two".

Divisors: 1 2 18489971 36979942