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61630883 = 3119310301
BaseRepresentation
bin1110101100011…
…0100110100011
311021222011200022
43223012212203
5111234142013
610040544055
71345565606
oct353064643
9137864608
1061630883
1131875216
121878202b
13c9cb3a2
14828433d
155626008
hex3ac69a3

61630883 has 8 divisors (see below), whose sum is σ = 63954816. Its totient is φ = 59328000.

The previous prime is 61630879. The next prime is 61630909. The reversal of 61630883 is 38803616.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61630883 - 22 = 61630879 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61630873) 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, 833 + ... + 11133.

It is an arithmetic number, because the mean of its divisors is an integer number (7994352).

Almost surely, 261630883 is an apocalyptic number.

61630883 is a deficient number, since it is larger than the sum of its proper divisors (2323933).

61630883 is a wasteful number, since it uses less digits than its factorization.

61630883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10525.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 61630883 is about 7850.5339308865. The cubic root of 61630883 is about 395.0021534893.

The spelling of 61630883 in words is "sixty-one million, six hundred thirty thousand, eight hundred eighty-three".

Divisors: 1 31 193 5983 10301 319331 1988093 61630883