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405068616 = 233210752579
BaseRepresentation
bin11000001001001…
…101101101001000
31001020012121200100
4120021031231020
51312144143431
6104110005400
713016012031
oct3011155510
91036177610
10405068616
11198718057
12b37a6860
1365bc7694
143bb23a88
15258654e6
hex1824db48

405068616 has 48 divisors (see below), whose sum is σ = 1107334800. Its totient is φ = 133758432.

The previous prime is 405068597. The next prime is 405068621. The reversal of 405068616 is 616860504.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18586 + ... + 33993.

It is an arithmetic number, because the mean of its divisors is an integer number (23069475).

Almost surely, 2405068616 is an apocalyptic number.

It is an amenable number.

405068616 is an abundant number, since it is smaller than the sum of its proper divisors (702266184).

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

405068616 is a wasteful number, since it uses less digits than its factorization.

405068616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52698 (or 52691 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 405068616 is about 20126.3165035234. The cubic root of 405068616 is about 739.9054030527.

The spelling of 405068616 in words is "four hundred five million, sixty-eight thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 107 214 321 428 642 856 963 1284 1926 2568 3852 7704 52579 105158 157737 210316 315474 420632 473211 630948 946422 1261896 1892844 3785688 5625953 11251906 16877859 22503812 33755718 45007624 50633577 67511436 101267154 135022872 202534308 405068616