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245434337320 = 23517831743397
BaseRepresentation
bin1110010010010100000…
…1101100100000101000
3212110111202000011100111
43210211001230200220
513010122142243240
6304430113344104
723506043305564
oct3444501544050
9773452004314
10245434337320
11950a7315307
123b697568034
131a1b5204b43
14bc442d26a4
1565b70aa1ea
hex392506c828

245434337320 has 64 divisors (see below), whose sum is σ = 584794993680. Its totient is φ = 92385570816.

The previous prime is 245434337311. The next prime is 245434337321. The reversal of 245434337320 is 23733434542.

It can be written as a sum of positive squares in 8 ways, for example, as 240760974276 + 4673363044 = 490674^2 + 68362^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (245434337321) 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, 5633862 + ... + 5677258.

Almost surely, 2245434337320 is an apocalyptic number.

245434337320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245434337320 is an abundant number, since it is smaller than the sum of its proper divisors (339360656360).

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

245434337320 is a wasteful number, since it uses less digits than its factorization.

245434337320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51742 (or 51738 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 40.

The spelling of 245434337320 in words is "two hundred forty-five billion, four hundred thirty-four million, three hundred thirty-seven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 8317 16634 33268 41585 43397 66536 83170 86794 141389 166340 173588 216985 282778 332680 347176 433970 565556 706945 737749 867940 1131112 1413890 1475498 1735880 2827780 2950996 3688745 5655560 5901992 7377490 14754980 29509960 360932849 721865698 1443731396 1804664245 2887462792 3609328490 6135858433 7218656980 12271716866 14437313960 24543433732 30679292165 49086867464 61358584330 122717168660 245434337320