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10303992 = 2332143111
BaseRepresentation
bin100111010011…
…100111111000
3201101111102100
4213103213320
510114211432
61004503400
7153403536
oct47234770
921344370
1010303992
1158a85a6
12354ab60
13219a04a
141523156
15d8807c
hex9d39f8

10303992 has 24 divisors (see below), whose sum is σ = 27906840. Its totient is φ = 3434640.

The previous prime is 10303987. The next prime is 10304003. The reversal of 10303992 is 29930301.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×103039922 = 212344502272128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71484 + ... + 71627.

It is an arithmetic number, because the mean of its divisors is an integer number (1162785).

Almost surely, 210303992 is an apocalyptic number.

10303992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10303992 is an abundant number, since it is smaller than the sum of its proper divisors (17602848).

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

10303992 is a wasteful number, since it uses less digits than its factorization.

10303992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143123 (or 143116 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 10303992 is about 3209.9831775260. The cubic root of 10303992 is about 217.6048167006.

The spelling of 10303992 in words is "ten million, three hundred three thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 143111 286222 429333 572444 858666 1144888 1287999 1717332 2575998 3434664 5151996 10303992