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42243996 = 2233520333
BaseRepresentation
bin1010000100100…
…1011110011100
32221111012212110
42201021132130
541303301441
64105234020
71022032224
oct241113634
987435773
1042243996
11219335a3
1212192910
1389a1062
145879084
153a96b16
hex284979c

42243996 has 12 divisors (see below), whose sum is σ = 98569352. Its totient is φ = 14081328.

The previous prime is 42243989. The next prime is 42244001. The reversal of 42243996 is 69934224.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1760155 + ... + 1760178.

Almost surely, 242243996 is an apocalyptic number.

It is an amenable number.

42243996 is an abundant number, since it is smaller than the sum of its proper divisors (56325356).

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

42243996 is a wasteful number, since it uses less digits than its factorization.

42243996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520340 (or 3520338 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 42243996 is about 6499.5381374372. The cubic root of 42243996 is about 348.2744894738.

The spelling of 42243996 in words is "forty-two million, two hundred forty-three thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 3520333 7040666 10560999 14081332 21121998 42243996