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10631080 = 235614357
BaseRepresentation
bin101000100011…
…011110101000
3202000010002201
4220203132220
510210143310
61015505544
7156235255
oct50433650
922003081
1010631080
116001319
1236882b4
132282ba5
1415aa42c
15deee3a
hexa237a8

10631080 has 32 divisors (see below), whose sum is σ = 24317640. Its totient is φ = 4181760.

The previous prime is 10631077. The next prime is 10631087. The reversal of 10631080 is 8013601.

It can be written as a sum of positive squares in 4 ways, for example, as 9108324 + 1522756 = 3018^2 + 1234^2 .

It is a super-2 number, since 2×106310802 = 226039723932800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10631087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262 + ... + 4618.

Almost surely, 210631080 is an apocalyptic number.

10631080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10631080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12158820).

10631080 is an abundant number, since it is smaller than the sum of its proper divisors (13686560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10631080 is a wasteful number, since it uses less digits than its factorization.

10631080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429 (or 4425 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 10631080 is about 3260.5336986451. The cubic root of 10631080 is about 219.8834092971.

Adding to 10631080 its reverse (8013601), we get a palindrome (18644681).

The spelling of 10631080 in words is "ten million, six hundred thirty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 61 122 244 305 488 610 1220 2440 4357 8714 17428 21785 34856 43570 87140 174280 265777 531554 1063108 1328885 2126216 2657770 5315540 10631080