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1042912 = 251323109
BaseRepresentation
bin11111110100111100000
31221222121101
43332213200
5231333122
634204144
711602363
oct3764740
91858541
101042912
11652612
12423654
132a6910
141d20da
15159027
hexfe9e0

1042912 has 48 divisors (see below), whose sum is σ = 2328480. Its totient is φ = 456192.

The previous prime is 1042903. The next prime is 1042931. The reversal of 1042912 is 2192401.

It is a self number, because there is not a number n which added to its sum of digits gives 1042912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9514 + ... + 9622.

It is an arithmetic number, because the mean of its divisors is an integer number (48510).

21042912 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 1042912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164240).

1042912 is an abundant number, since it is smaller than the sum of its proper divisors (1285568).

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

1042912 is a wasteful number, since it uses less digits than its factorization.

1042912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1042912 is about 1021.2306301713. The cubic root of 1042912 is about 101.4104138060.

The spelling of 1042912 in words is "one million, forty-two thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 16 23 26 32 46 52 92 104 109 184 208 218 299 368 416 436 598 736 872 1196 1417 1744 2392 2507 2834 3488 4784 5014 5668 9568 10028 11336 20056 22672 32591 40112 45344 65182 80224 130364 260728 521456 1042912