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10631040 = 273572113
BaseRepresentation
bin101000100011…
…011110000000
3202000010001020
4220203132000
510210143130
61015505440
7156235200
oct50433600
922003036
1010631040
116001292
123688280
132282b74
1415aa400
15deee10
hexa23780

10631040 has 192 divisors, whose sum is σ = 39767760. Its totient is φ = 2408448.

The previous prime is 10631029. The next prime is 10631041. The reversal of 10631040 is 4013601.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×106310402 = 226038022963200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10631041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94024 + ... + 94136.

Almost surely, 210631040 is an apocalyptic number.

10631040 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 10631040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19883880).

10631040 is an abundant number, since it is smaller than the sum of its proper divisors (29136720).

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

10631040 is a wasteful number, since it uses less digits than its factorization.

10631040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 10631040 is about 3260.5275646742. The cubic root of 10631040 is about 219.8831335225.

Adding to 10631040 its reverse (4013601), we get a palindrome (14644641).

The spelling of 10631040 in words is "ten million, six hundred thirty-one thousand, forty".