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42798912 = 2631321319
BaseRepresentation
bin1010001101000…
…0111101000000
32222112102001220
42203100331000
541424031122
64125155040
71026533112
oct243207500
988472056
1042798912
1122182502
12123bba80
138b36800
1459813b2
153b5625c
hex28d0f40

42798912 has 84 divisors (see below), whose sum is σ = 122712480. Its totient is φ = 13158912.

The previous prime is 42798901. The next prime is 42798913. The reversal of 42798912 is 21989724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42798913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31789 + ... + 33107.

Almost surely, 242798912 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 42798912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61356240).

42798912 is an abundant number, since it is smaller than the sum of its proper divisors (79913568).

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

42798912 is a wasteful number, since it uses less digits than its factorization.

42798912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360 (or 1337 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 42798912 is about 6542.0877401637. The cubic root of 42798912 is about 349.7928352266.

The spelling of 42798912 in words is "forty-two million, seven hundred ninety-eight thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 169 192 208 312 338 416 507 624 676 832 1014 1248 1319 1352 2028 2496 2638 2704 3957 4056 5276 5408 7914 8112 10552 10816 15828 16224 17147 21104 31656 32448 34294 42208 51441 63312 68588 84416 102882 126624 137176 205764 222911 253248 274352 411528 445822 548704 668733 823056 891644 1097408 1337466 1646112 1783288 2674932 3292224 3566576 5349864 7133152 10699728 14266304 21399456 42798912