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53920634 = 2171585901
BaseRepresentation
bin1100110110110…
…0001101111010
310202110110012112
43031230031322
5102300430014
65203412322
71223214005
oct315541572
9122413175
1053920634
1128489409
12160840a2
13b22bb01
14723853c
154b0173e
hex336c37a

53920634 has 8 divisors (see below), whose sum is σ = 85638708. Its totient is φ = 25374400.

The previous prime is 53920621. The next prime is 53920639. The reversal of 53920634 is 43602935.

It can be written as a sum of positive squares in 2 ways, for example, as 50367409 + 3553225 = 7097^2 + 1885^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 53920634.

It is not an unprimeable number, because it can be changed into a prime (53920639) 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, 792917 + ... + 792984.

Almost surely, 253920634 is an apocalyptic number.

53920634 is a deficient number, since it is larger than the sum of its proper divisors (31718074).

53920634 is a wasteful number, since it uses less digits than its factorization.

53920634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585920.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 53920634 is about 7343.0670703733. The cubic root of 53920634 is about 377.7910484445.

The spelling of 53920634 in words is "fifty-three million, nine hundred twenty thousand, six hundred thirty-four".

Divisors: 1 2 17 34 1585901 3171802 26960317 53920634