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10231992 = 2332142111
BaseRepresentation
bin100111000010…
…000010111000
3201020211122200
4213002002320
510104410432
61003150200
7152653611
oct47020270
921224580
1010231992
1158594a1
123515360
132173344
141504c08
15d71a7c
hex9c20b8

10231992 has 24 divisors (see below), whose sum is σ = 27711840. Its totient is φ = 3410640.

The previous prime is 10231981. The next prime is 10231993. The reversal of 10231992 is 29913201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70984 + ... + 71127.

It is an arithmetic number, because the mean of its divisors is an integer number (1154660).

Almost surely, 210231992 is an apocalyptic number.

10231992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10231992 is an abundant number, since it is smaller than the sum of its proper divisors (17479848).

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

10231992 is a wasteful number, since it uses less digits than its factorization.

10231992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142123 (or 142116 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10231992 is about 3198.7485052751. The cubic root of 10231992 is about 217.0967876477.

It can be divided in two parts, 1023199 and 2, that added together give a palindrome (1023201).

The spelling of 10231992 in words is "ten million, two hundred thirty-one thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 142111 284222 426333 568444 852666 1136888 1278999 1705332 2557998 3410664 5115996 10231992