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84707442 = 23247223449
BaseRepresentation
bin1010000110010…
…00100001110010
312220101120202200
411003020201302
5133141114232
612223324030
72046000321
oct503104162
9186346680
1084707442
11438a6a56
1224450616
131471ac61
14b3700b8
15768377c
hex50c8872

84707442 has 48 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 27449856.

The previous prime is 84707437. The next prime is 84707443. The reversal of 84707442 is 24470748.

It is a junction number, because it is equal to n+sod(n) for n = 84707397 and 84707406.

It is not an unprimeable number, because it can be changed into a prime (84707443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188434 + ... + 188882.

It is an arithmetic number, because the mean of its divisors is an integer number (3931200).

Almost surely, 284707442 is an apocalyptic number.

84707442 is an abundant number, since it is smaller than the sum of its proper divisors (103990158).

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

84707442 is a wasteful number, since it uses less digits than its factorization.

84707442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 84707442 is about 9203.6645962356. The cubic root of 84707442 is about 439.1779451336.

The spelling of 84707442 in words is "eighty-four million, seven hundred seven thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 47 94 141 223 282 423 446 449 669 846 898 1338 1347 2007 2694 4014 4041 8082 10481 20962 21103 31443 42206 62886 63309 94329 100127 126618 188658 189927 200254 300381 379854 600762 901143 1802286 4705969 9411938 14117907 28235814 42353721 84707442