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10631398 = 27174869
BaseRepresentation
bin101000100011…
…100011100110
3202000010112111
4220203203212
510210201043
61015511234
7156236221
oct50434346
922003474
1010631398
116001588
12368851a
13228308b
1415aa5b8
15e0009d
hexa238e6

10631398 has 8 divisors (see below), whose sum is σ = 16171920. Its totient is φ = 5240760.

The previous prime is 10631377. The next prime is 10631471. The reversal of 10631398 is 89313601.

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

It is a super-2 number, since 2×106313982 = 226053246868808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 37293 + ... + 37576.

It is an arithmetic number, because the mean of its divisors is an integer number (2021490).

Almost surely, 210631398 is an apocalyptic number.

10631398 is a deficient number, since it is larger than the sum of its proper divisors (5540522).

10631398 is an equidigital number, since it uses as much as digits as its factorization.

10631398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74942.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 10631398 is about 3260.5824633031. The cubic root of 10631398 is about 219.8856016811.

Adding to 10631398 its reverse (89313601), we get a palindrome (99944999).

The spelling of 10631398 in words is "ten million, six hundred thirty-one thousand, three hundred ninety-eight".

Divisors: 1 2 71 142 74869 149738 5315699 10631398