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42984620 = 2257307033
BaseRepresentation
bin1010001111111…
…0010010101100
32222212211210222
42203332102230
542001001440
64133150512
71031235410
oct243762254
988784728
1042984620
1122299a88
121248b438
138ba01b3
1459ccd40
153b912b5
hex28fe4ac

42984620 has 24 divisors (see below), whose sum is σ = 103163424. Its totient is φ = 14737536.

The previous prime is 42984581. The next prime is 42984647. The reversal of 42984620 is 2648924.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153377 + ... + 153656.

It is an arithmetic number, because the mean of its divisors is an integer number (4298476).

Almost surely, 242984620 is an apocalyptic number.

It is an amenable number.

42984620 is an abundant number, since it is smaller than the sum of its proper divisors (60178804).

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

42984620 is a wasteful number, since it uses less digits than its factorization.

42984620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307049 (or 307047 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 42984620 is about 6556.2657054149. The cubic root of 42984620 is about 350.2980318623.

The spelling of 42984620 in words is "forty-two million, nine hundred eighty-four thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 307033 614066 1228132 1535165 2149231 3070330 4298462 6140660 8596924 10746155 21492310 42984620