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972095905 = 51117674471
BaseRepresentation
bin111001111100010…
…000000110100001
32111202011120220001
4321330100012201
53442324032110
6240243220001
733042451564
oct7174200641
92452146801
10972095905
114597a5050
12231677601
1312651a1a1
14931664db
155a51d63a
hex39f101a1

972095905 has 8 divisors (see below), whose sum is σ = 1272561984. Its totient is φ = 706978800.

The previous prime is 972095893. The next prime is 972095911. The reversal of 972095905 is 509590279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 972095905 - 221 = 969998753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8837181 + ... + 8837290.

It is an arithmetic number, because the mean of its divisors is an integer number (159070248).

Almost surely, 2972095905 is an apocalyptic number.

It is an amenable number.

972095905 is a deficient number, since it is larger than the sum of its proper divisors (300466079).

972095905 is a wasteful number, since it uses less digits than its factorization.

972095905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17674487.

The product of its (nonzero) digits is 255150, while the sum is 46.

The square root of 972095905 is about 31178.4525754567. The cubic root of 972095905 is about 990.6107529522.

It can be divided in two parts, 9720 and 95905, that added together give a square (105625 = 3252).

The spelling of 972095905 in words is "nine hundred seventy-two million, ninety-five thousand, nine hundred five".

Divisors: 1 5 11 55 17674471 88372355 194419181 972095905