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425061880 = 235174314537
BaseRepresentation
bin11001010101011…
…110110111111000
31002121211101021121
4121111132313320
51332303440010
6110102315024
713350652315
oct3125366770
91077741247
10425061880
111a8a33311
12ba428a74
136a0a7a09
1440649d0c
15274b43da
hex1955edf8

425061880 has 64 divisors (see below), whose sum is σ = 1036268640. Its totient is φ = 156291072.

The previous prime is 425061859. The next prime is 425061881. The reversal of 425061880 is 88160524.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425061881) 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, 21972 + ... + 36508.

Almost surely, 2425061880 is an apocalyptic number.

425061880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425061880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518134320).

425061880 is an abundant number, since it is smaller than the sum of its proper divisors (611206760).

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

425061880 is a wasteful number, since it uses less digits than its factorization.

425061880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14608 (or 14604 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 425061880 is about 20617.0288839105. The cubic root of 425061880 is about 751.8837859872.

The spelling of 425061880 in words is "four hundred twenty-five million, sixty-one thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 43 68 85 86 136 170 172 215 340 344 430 680 731 860 1462 1720 2924 3655 5848 7310 14537 14620 29074 29240 58148 72685 116296 145370 247129 290740 494258 581480 625091 988516 1235645 1250182 1977032 2471290 2500364 3125455 4942580 5000728 6250910 9885160 10626547 12501820 21253094 25003640 42506188 53132735 85012376 106265470 212530940 425061880