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80048631 = 31317120737
BaseRepresentation
bin1001100010101…
…11000111110111
312120121220002010
410301113013313
5130443024011
611535415303
71661254635
oct461270767
9176556063
1080048631
11412047a3
1222984533
1313779570
14a8ba355
1570631a6
hex4c571f7

80048631 has 16 divisors (see below), whose sum is σ = 121703904. Its totient is φ = 46362624.

The previous prime is 80048629. The next prime is 80048681. The reversal of 80048631 is 13684008.

It is a happy number.

It is not a de Polignac number, because 80048631 - 21 = 80048629 is a prime.

It is a super-2 number, since 2×800486312 = 12815566649948322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80048681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59706 + ... + 61031.

It is an arithmetic number, because the mean of its divisors is an integer number (7606494).

Almost surely, 280048631 is an apocalyptic number.

80048631 is a deficient number, since it is larger than the sum of its proper divisors (41655273).

80048631 is a wasteful number, since it uses less digits than its factorization.

80048631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120770.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 80048631 is about 8946.9900525260. The cubic root of 80048631 is about 430.9742305819.

The spelling of 80048631 in words is "eighty million, forty-eight thousand, six hundred thirty-one".

Divisors: 1 3 13 17 39 51 221 663 120737 362211 1569581 2052529 4708743 6157587 26682877 80048631