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42698916 = 22321391237
BaseRepresentation
bin1010001011100…
…0100010100100
32222100022220100
42202320202210
541412331131
64123104100
71025635431
oct242704244
988308810
1042698916
1122114367
1212372030
138b00140
145956b88
153b367e6
hex28b88a4

42698916 has 36 divisors (see below), whose sum is σ = 116237212. Its totient is φ = 13137984.

The previous prime is 42698893. The next prime is 42698923. The reversal of 42698916 is 61989624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3686400 + 39012516 = 1920^2 + 6246^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45151 + ... + 46086.

Almost surely, 242698916 is an apocalyptic number.

It is an amenable number.

42698916 is an abundant number, since it is smaller than the sum of its proper divisors (73538296).

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

42698916 is a wasteful number, since it uses less digits than its factorization.

42698916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91260 (or 91255 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 42698916 is about 6534.4407564841. The cubic root of 42698916 is about 349.5202024339.

The spelling of 42698916 in words is "forty-two million, six hundred ninety-eight thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 91237 182474 273711 364948 547422 821133 1094844 1186081 1642266 2372162 3284532 3558243 4744324 7116486 10674729 14232972 21349458 42698916