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400470270 = 23513349009
BaseRepresentation
bin10111110111101…
…011000011111110
31000220112222221020
4113313223003332
51310010022040
6103423245010
712631640544
oct2767530376
91026488836
10400470270
11196067272
12b2149766
1364c77675
143b287d94
1525257cd0
hex17deb0fe

400470270 has 16 divisors (see below), whose sum is σ = 961128720. Its totient is φ = 106792064.

The previous prime is 400470263. The next prime is 400470289. The reversal of 400470270 is 72074004.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 400470270.

It is a congruent number.

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, 6674475 + ... + 6674534.

It is an arithmetic number, because the mean of its divisors is an integer number (60070545).

Almost surely, 2400470270 is an apocalyptic number.

400470270 is an abundant number, since it is smaller than the sum of its proper divisors (560658450).

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

400470270 is a wasteful number, since it uses less digits than its factorization.

400470270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13349019.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 400470270 is about 20011.7532965005. The cubic root of 400470270 is about 737.0949348927.

The spelling of 400470270 in words is "four hundred million, four hundred seventy thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 13349009 26698018 40047027 66745045 80094054 133490090 200235135 400470270