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42704844 = 22371339107
BaseRepresentation
bin1010001011100…
…1111111001100
32222100122000220
42202321333030
541413023334
64123151340
71025661630
oct242717714
988318026
1042704844
1122118866
1212375550
138b02a50
145958dc0
153b38449
hex28b9fcc

42704844 has 48 divisors (see below), whose sum is σ = 122642688. Its totient is φ = 11262528.

The previous prime is 42704843. The next prime is 42704863. The reversal of 42704844 is 44840724.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (42704843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18462 + ... + 20645.

It is an arithmetic number, because the mean of its divisors is an integer number (2555056).

Almost surely, 242704844 is an apocalyptic number.

It is an amenable number.

42704844 is an abundant number, since it is smaller than the sum of its proper divisors (79937844).

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

42704844 is a wasteful number, since it uses less digits than its factorization.

42704844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39134 (or 39132 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 42704844 is about 6534.8943373248. The cubic root of 42704844 is about 349.5363766141.

The spelling of 42704844 in words is "forty-two million, seven hundred four thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 39107 78214 117321 156428 234642 273749 469284 508391 547498 821247 1016782 1094996 1525173 1642494 2033564 3050346 3284988 3558737 6100692 7117474 10676211 14234948 21352422 42704844