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683176420 = 225229314897
BaseRepresentation
bin101000101110000…
…111000111100100
31202121111221212101
4220232013013210
52344343121140
6151442501444
722633621663
oct5056070744
91677457771
10683176420
113206a9613
12170964884
13ab6cba04
1466a38dda
153ee9c99a
hex28b871e4

683176420 has 24 divisors (see below), whose sum is σ = 1435392504. Its totient is φ = 273133056.

The previous prime is 683176411. The next prime is 683176441. The reversal of 683176420 is 24671386.

It can be written as a sum of positive squares in 4 ways, for example, as 142706916 + 540469504 = 11946^2 + 23248^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 683176420.

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, 38412 + ... + 53308.

It is an arithmetic number, because the mean of its divisors is an integer number (59808021).

Almost surely, 2683176420 is an apocalyptic number.

It is an amenable number.

683176420 is an abundant number, since it is smaller than the sum of its proper divisors (752216084).

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

683176420 is a wasteful number, since it uses less digits than its factorization.

683176420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17199 (or 17197 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 683176420 is about 26137.6437346598. The cubic root of 683176420 is about 880.7330410659.

The spelling of 683176420 in words is "six hundred eighty-three million, one hundred seventy-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2293 4586 9172 11465 14897 22930 29794 45860 59588 74485 148970 297940 34158821 68317642 136635284 170794105 341588210 683176420