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10731490 = 2572112181
BaseRepresentation
bin101000111011…
…111111100010
3202012012211121
4220323333202
510221401430
61022002454
7160134100
oct50737742
922165747
1010731490
11606a800
12371642a
1322b97c3
1415d4c70
15e1ea7a
hexa3bfe2

10731490 has 72 divisors (see below), whose sum is σ = 24835356. Its totient is φ = 3326400.

The previous prime is 10731407. The next prime is 10731499. The reversal of 10731490 is 9413701.

It can be written as a sum of positive squares in 2 ways, for example, as 9018009 + 1713481 = 3003^2 + 1309^2 .

It is not an unprimeable number, because it can be changed into a prime (10731499) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59200 + ... + 59380.

Almost surely, 210731490 is an apocalyptic number.

10731490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10731490 is an abundant number, since it is smaller than the sum of its proper divisors (14103866).

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

10731490 is a wasteful number, since it uses less digits than its factorization.

10731490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 10731490 is about 3275.8952974721. The cubic root of 10731490 is about 220.5735036715.

The spelling of 10731490 in words is "ten million, seven hundred thirty-one thousand, four hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 49 55 70 77 98 110 121 154 181 242 245 362 385 490 539 605 770 847 905 1078 1210 1267 1694 1810 1991 2534 2695 3982 4235 5390 5929 6335 8470 8869 9955 11858 12670 13937 17738 19910 21901 27874 29645 43802 44345 59290 69685 88690 97559 109505 139370 153307 195118 219010 306614 487795 766535 975590 1073149 1533070 2146298 5365745 10731490