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426243078 = 23279299749
BaseRepresentation
bin11001011001111…
…111010000000110
31002201001101120200
4121121333100012
51333104234303
6110143511330
713364002122
oct3131772006
91081041520
10426243078
111a966a808
12ba8b8546
136a3cc551
1440876582
15276493a3
hex1967f406

426243078 has 24 divisors (see below), whose sum is σ = 935220000. Its totient is φ = 140282064.

The previous prime is 426243067. The next prime is 426243089. The reversal of 426243078 is 870342624.

It is an interprime number because it is at equal distance from previous prime (426243067) and next prime (426243089).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148453 + ... + 151296.

It is an arithmetic number, because the mean of its divisors is an integer number (38967500).

Almost surely, 2426243078 is an apocalyptic number.

426243078 is an abundant number, since it is smaller than the sum of its proper divisors (508976922).

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

426243078 is a wasteful number, since it uses less digits than its factorization.

426243078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299836 (or 299833 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 426243078 is about 20645.6551845661. The cubic root of 426243078 is about 752.5796079912.

The spelling of 426243078 in words is "four hundred twenty-six million, two hundred forty-three thousand, seventy-eight".

Divisors: 1 2 3 6 9 18 79 158 237 474 711 1422 299749 599498 899247 1798494 2697741 5395482 23680171 47360342 71040513 142081026 213121539 426243078