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685101432 = 23328545893
BaseRepresentation
bin101000110101011…
…101000101111000
31202202010202111010
4220311131011320
52400341221212
6151552033520
722656160161
oct5065350570
91682122433
10685101432
113217a3934
121715328a0
13abc23c82
1466dba768
154022d03c
hex28d5d178

685101432 has 16 divisors (see below), whose sum is σ = 1712753640. Its totient is φ = 228367136.

The previous prime is 685101427. The next prime is 685101433. The reversal of 685101432 is 234101586.

685101432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 685101432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685101433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14272923 + ... + 14272970.

Almost surely, 2685101432 is an apocalyptic number.

It is an amenable number.

685101432 is an abundant number, since it is smaller than the sum of its proper divisors (1027652208).

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

685101432 is a wasteful number, since it uses less digits than its factorization.

685101432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28545902 (or 28545898 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 685101432 is about 26174.4423436298. The cubic root of 685101432 is about 881.5594902296.

The spelling of 685101432 in words is "six hundred eighty-five million, one hundred one thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 28545893 57091786 85637679 114183572 171275358 228367144 342550716 685101432