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425345886 = 232717918859
BaseRepresentation
bin11001010110100…
…100001101011110
31002122100210212100
4121112210031132
51332342032021
6110112345530
713353244320
oct3126441536
91078323770
10425345886
111a9107729
12ba5452a6
136a177074
14406c1610
152751d626
hex195a435e

425345886 has 48 divisors (see below), whose sum is σ = 1059177600. Its totient is φ = 120842064.

The previous prime is 425345881. The next prime is 425345897. The reversal of 425345886 is 688543524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425345881) 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, 13125 + ... + 31983.

It is an arithmetic number, because the mean of its divisors is an integer number (22066200).

Almost surely, 2425345886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425345886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529588800).

425345886 is an abundant number, since it is smaller than the sum of its proper divisors (633831714).

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

425345886 is a wasteful number, since it uses less digits than its factorization.

425345886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19053 (or 19050 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 425345886 is about 20623.9153896635. The cubic root of 425345886 is about 752.0512062894.

The spelling of 425345886 in words is "four hundred twenty-five million, three hundred forty-five thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 179 358 537 1074 1253 1611 2506 3222 3759 7518 11277 18859 22554 37718 56577 113154 132013 169731 264026 339462 396039 792078 1188117 2376234 3375761 6751522 10127283 20254566 23630327 30381849 47260654 60763698 70890981 141781962 212672943 425345886