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425022320 = 24543123553
BaseRepresentation
bin11001010101010…
…101001101110000
31002121202101000102
4121111111031300
51332301203240
6110101411532
713350426062
oct3125251560
91077671012
10425022320
111a8a06618
12ba409ba8
136a0929c8
1440639732
15274a7815
hex19555370

425022320 has 40 divisors (see below), whose sum is σ = 1011165936. Its totient is φ = 166053888.

The previous prime is 425022271. The next prime is 425022379. The reversal of 425022320 is 23220524.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×4250223203 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 425022292 and 425022301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58337 + ... + 65216.

Almost surely, 2425022320 is an apocalyptic number.

425022320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425022320 is an abundant number, since it is smaller than the sum of its proper divisors (586143616).

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

425022320 is a wasteful number, since it uses less digits than its factorization.

425022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123609 (or 123603 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 425022320 is about 20616.0694604961. The cubic root of 425022320 is about 751.8604596224.

Adding to 425022320 its reverse (23220524), we get a palindrome (448242844).

The spelling of 425022320 in words is "four hundred twenty-five million, twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 123553 247106 494212 617765 988424 1235530 1976848 2471060 4942120 5312779 9884240 10625558 21251116 26563895 42502232 53127790 85004464 106255580 212511160 425022320