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42049476 = 2233755621
BaseRepresentation
bin1010000001100…
…1111111000100
32221010100001000
42200121333010
541231040401
64101133300
71020262140
oct240317704
987110030
1042049476
1121810437
12120ba230
138933661
145828220
153a59186
hex2819fc4

42049476 has 48 divisors (see below), whose sum is σ = 124593280. Its totient is φ = 12013920.

The previous prime is 42049463. The next prime is 42049487. The reversal of 42049476 is 67494024.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42049476.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27055 + ... + 28566.

Almost surely, 242049476 is an apocalyptic number.

It is an amenable number.

42049476 is an abundant number, since it is smaller than the sum of its proper divisors (82543804).

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

42049476 is a wasteful number, since it uses less digits than its factorization.

42049476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55641 (or 55633 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 42049476 is about 6484.5567311883. The cubic root of 42049476 is about 347.7391029074.

The spelling of 42049476 in words is "forty-two million, forty-nine thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 55621 111242 166863 222484 333726 389347 500589 667452 778694 1001178 1168041 1501767 1557388 2002356 2336082 3003534 3504123 4672164 6007068 7008246 10512369 14016492 21024738 42049476