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42470744 = 2331171253
BaseRepresentation
bin1010001000000…
…0110101011000
32221220201220112
42202000311120
541333030434
64114143452
71023665261
oct242006530
987821815
1042470744
1121a78998
1212281b88
138a50324
1458d7968
153adddce
hex2880d58

42470744 has 16 divisors (see below), whose sum is σ = 82201920. Its totient is φ = 20550240.

The previous prime is 42470723. The next prime is 42470759. The reversal of 42470744 is 44707424.

It is a self number, because there is not a number n which added to its sum of digits gives 42470744.

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, 85379 + ... + 85874.

It is an arithmetic number, because the mean of its divisors is an integer number (5137620).

Almost surely, 242470744 is an apocalyptic number.

It is an amenable number.

42470744 is a deficient number, since it is larger than the sum of its proper divisors (39731176).

42470744 is a wasteful number, since it uses less digits than its factorization.

42470744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171290 (or 171286 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 42470744 is about 6516.9581861479. The cubic root of 42470744 is about 348.8965082037.

The spelling of 42470744 in words is "forty-two million, four hundred seventy thousand, seven hundred forty-four".

Divisors: 1 2 4 8 31 62 124 248 171253 342506 685012 1370024 5308843 10617686 21235372 42470744