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23434604540 = 2257316398473
BaseRepresentation
bin10101110100110011…
…111010111111111100
32020111012100020221022
4111310303322333330
5340443224321130
614433220523312
71456505565134
oct256463727774
966435306838
1023434604540
119a36250276
124660250538
132296128509
1411c44ddac4
1592255b7e5
hex574cfaffc

23434604540 has 48 divisors (see below), whose sum is σ = 50193379488. Its totient is φ = 9188619264.

The previous prime is 23434604483. The next prime is 23434604551. The reversal of 23434604540 is 4540643432.

It is a super-2 number, since 2×234346045402 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23434604540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188744 + ... + 287216.

It is an arithmetic number, because the mean of its divisors is an integer number (1045695406).

Almost surely, 223434604540 is an apocalyptic number.

23434604540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23434604540 is an abundant number, since it is smaller than the sum of its proper divisors (26758774948).

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

23434604540 is a wasteful number, since it uses less digits than its factorization.

23434604540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98718 (or 98716 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

The spelling of 23434604540 in words is "twenty-three billion, four hundred thirty-four million, six hundred four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 73 146 163 292 326 365 652 730 815 1460 1630 3260 11899 23798 47596 59495 98473 118990 196946 237980 393892 492365 984730 1969460 7188529 14377058 16051099 28754116 32102198 35942645 64204396 71885290 80255495 143770580 160510990 321021980 1171730227 2343460454 4686920908 5858651135 11717302270 23434604540