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10706872 = 2311172421
BaseRepresentation
bin101000110101…
…111110111000
3202010222001211
4220311332320
510220104442
61021252504
7160002241
oct50657670
922128054
1010706872
116053260
123704134
1322ab537
1415c9cc8
15e17617
hexa35fb8

10706872 has 48 divisors (see below), whose sum is σ = 23319720. Its totient is φ = 4569600.

The previous prime is 10706851. The next prime is 10706879. The reversal of 10706872 is 27860701.

It is a happy number.

It is a super-2 number, since 2×107068722 = 229274216048768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10706879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25222 + ... + 25642.

Almost surely, 210706872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10706872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11659860).

10706872 is an abundant number, since it is smaller than the sum of its proper divisors (12612848).

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

10706872 is a wasteful number, since it uses less digits than its factorization.

10706872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 10706872 is about 3272.1356940078. The cubic root of 10706872 is about 220.4047095896.

The spelling of 10706872 in words is "ten million, seven hundred six thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 136 187 289 374 421 578 748 842 1156 1496 1684 2312 3179 3368 4631 6358 7157 9262 12716 14314 18524 25432 28628 37048 57256 78727 121669 157454 243338 314908 486676 629816 973352 1338359 2676718 5353436 10706872