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42993184 = 2513103349
BaseRepresentation
bin1010010000000…
…0011000100000
32222220021120011
42210000120200
542001240214
64133254304
71031302363
oct244003040
988807504
1042993184
11222a5463
1212494394
138ba4070
1459d20da
153b93ac4
hex2900620

42993184 has 24 divisors (see below), whose sum is σ = 91154700. Its totient is φ = 19842816.

The previous prime is 42993179. The next prime is 42993193. The reversal of 42993184 is 48139924.

It can be written as a sum of positive squares in 2 ways, for example, as 36336784 + 6656400 = 6028^2 + 2580^2 .

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, 51259 + ... + 52090.

Almost surely, 242993184 is an apocalyptic number.

It is an amenable number.

42993184 is an abundant number, since it is smaller than the sum of its proper divisors (48161516).

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

42993184 is a wasteful number, since it uses less digits than its factorization.

42993184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103372 (or 103364 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 42993184 is about 6556.9187885775. The cubic root of 42993184 is about 350.3212940829.

The spelling of 42993184 in words is "forty-two million, nine hundred ninety-three thousand, one hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 103349 206698 413396 826792 1343537 1653584 2687074 3307168 5374148 10748296 21496592 42993184