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10531992 = 233438833
BaseRepresentation
bin101000001011…
…010010011000
3201211002011210
4220023102120
510144010432
61013423120
7155343342
oct50132230
921732153
1010531992
115a43929
12363aaa0
132249a63
141582292
15dd08cc
hexa0b498

10531992 has 16 divisors (see below), whose sum is σ = 26330040. Its totient is φ = 3510656.

The previous prime is 10531987. The next prime is 10532003. The reversal of 10531992 is 29913501.

It is a super-2 number, since 2×105319922 = 221845710976128, 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 3 ways as a sum of consecutive naturals, for example, 219393 + ... + 219440.

Almost surely, 210531992 is an apocalyptic number.

10531992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10531992 is an abundant number, since it is smaller than the sum of its proper divisors (15798048).

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

10531992 is a wasteful number, since it uses less digits than its factorization.

10531992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438842 (or 438838 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 10531992 is about 3245.3030675116. The cubic root of 10531992 is about 219.1981276591.

The spelling of 10531992 in words is "ten million, five hundred thirty-one thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 438833 877666 1316499 1755332 2632998 3510664 5265996 10531992