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1992912 = 24341519
BaseRepresentation
bin111100110100011010000
310202020202120
413212203100
51002233122
6110414240
722640145
oct7464320
93666676
101992912
111141339
12801380
1354a14c
1439c3cc
1529575c
hex1e68d0

1992912 has 20 divisors (see below), whose sum is σ = 5148480. Its totient is φ = 664288.

The previous prime is 1992911. The next prime is 1992917. The reversal of 1992912 is 2192991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20712 + ... + 20807.

It is an arithmetic number, because the mean of its divisors is an integer number (257424).

21992912 is an apocalyptic number.

1992912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1992912 is an abundant number, since it is smaller than the sum of its proper divisors (3155568).

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

1992912 is a wasteful number, since it uses less digits than its factorization.

1992912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41530 (or 41524 counting only the distinct ones).

The product of its digits is 2916, while the sum is 33.

The square root of 1992912 is about 1411.7053516935. The cubic root of 1992912 is about 125.8430901410.

The spelling of 1992912 in words is "one million, nine hundred ninety-two thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 41519 83038 124557 166076 249114 332152 498228 664304 996456 1992912