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61085633 = 755715667
BaseRepresentation
bin1110100100000…
…1011111000001
311020221110201212
43221001133001
5111114220013
610021135505
71341135140
oct351013701
9136843655
1061085633
11315325a4
121855a595
13c86a15b
148181757
1555696a8
hex3a417c1

61085633 has 8 divisors (see below), whose sum is σ = 69941952. Its totient is φ = 52261776.

The previous prime is 61085623. The next prime is 61085639. The reversal of 61085633 is 33658016.

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

It is not a de Polignac number, because 61085633 - 24 = 61085617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61085633.

It is not an unprimeable number, because it can be changed into a prime (61085639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3935 + ... + 11732.

It is an arithmetic number, because the mean of its divisors is an integer number (8742744).

Almost surely, 261085633 is an apocalyptic number.

It is an amenable number.

61085633 is a deficient number, since it is larger than the sum of its proper divisors (8856319).

61085633 is a wasteful number, since it uses less digits than its factorization.

61085633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16231.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 61085633 is about 7815.7298443587. The cubic root of 61085633 is about 393.8338365870.

The spelling of 61085633 in words is "sixty-one million, eighty-five thousand, six hundred thirty-three".

Divisors: 1 7 557 3899 15667 109669 8726519 61085633