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1042388992 = 2112917551
BaseRepresentation
bin111110001000011…
…001100000000000
32200122102211212201
4332020121200000
54113322421432
6251234002544
734555105651
oct7610314000
92618384781
101042388992
11495446307
12251116454
13137c5c228
149c623528
15617a5ee7
hex3e219800

1042388992 has 48 divisors (see below), whose sum is σ = 2156263200. Its totient is φ = 503193600.

The previous prime is 1042388969. The next prime is 1042389011. The reversal of 1042388992 is 2998832401.

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, 50617 + ... + 68167.

It is an arithmetic number, because the mean of its divisors is an integer number (44922150).

Almost surely, 21042388992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042388992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1078131600).

1042388992 is an abundant number, since it is smaller than the sum of its proper divisors (1113874208).

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

1042388992 is an equidigital number, since it uses as much as digits as its factorization.

1042388992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17602 (or 17582 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1042388992 is about 32286.0494950993. The cubic root of 1042388992 is about 1013.9345893147.

The spelling of 1042388992 in words is "one billion, forty-two million, three hundred eighty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 29 32 58 64 116 128 232 256 464 512 928 1024 1856 2048 3712 7424 14848 17551 29696 35102 59392 70204 140408 280816 508979 561632 1017958 1123264 2035916 2246528 4071832 4493056 8143664 8986112 16287328 17972224 32574656 35944448 65149312 130298624 260597248 521194496 1042388992