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426102909 = 31710976651
BaseRepresentation
bin11001011001011…
…101000001111101
31002200210021022020
4121121131001331
51333040243114
6110140510353
713362546351
oct3131350175
91080707266
10426102909
111a9584471
12ba84b3b9
136a3807cb
144083b461
152761caa9
hex1965d07d

426102909 has 16 divisors (see below), whose sum is σ = 607083840. Its totient is φ = 264902400.

The previous prime is 426102889. The next prime is 426102917. The reversal of 426102909 is 909201624.

It is not a de Polignac number, because 426102909 - 211 = 426100861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426102909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426102109) 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, 32767 + ... + 43884.

It is an arithmetic number, because the mean of its divisors is an integer number (37942740).

Almost surely, 2426102909 is an apocalyptic number.

It is an amenable number.

426102909 is a deficient number, since it is larger than the sum of its proper divisors (180980931).

426102909 is a wasteful number, since it uses less digits than its factorization.

426102909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76780.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 426102909 is about 20642.2602686818. The cubic root of 426102909 is about 752.4971042887.

The spelling of 426102909 in words is "four hundred twenty-six million, one hundred two thousand, nine hundred nine".

Divisors: 1 3 17 51 109 327 1853 5559 76651 229953 1303067 3909201 8354959 25064877 142034303 426102909