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432228990 = 23546131253
BaseRepresentation
bin11001110000110…
…100101001111110
31010010022111201010
4121300310221332
51341122311430
6110520100050
713465612554
oct3160645176
91103274633
10432228990
11201a89046
12100904626
136b716ccb
1441593bd4
1527e2ccb0
hex19c34a7e

432228990 has 32 divisors (see below), whose sum is σ = 1039633056. Its totient is φ = 115007360.

The previous prime is 432228977. The next prime is 432229009. The reversal of 432228990 is 99822234.

It is a happy number.

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, 1797 + ... + 29456.

It is an arithmetic number, because the mean of its divisors is an integer number (32488533).

Almost surely, 2432228990 is an apocalyptic number.

432228990 is an abundant number, since it is smaller than the sum of its proper divisors (607404066).

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

432228990 is a wasteful number, since it uses less digits than its factorization.

432228990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31724.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 432228990 is about 20790.1176042850. The cubic root of 432228990 is about 756.0861754738.

The spelling of 432228990 in words is "four hundred thirty-two million, two hundred twenty-eight thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 461 922 1383 2305 2766 4610 6915 13830 31253 62506 93759 156265 187518 312530 468795 937590 14407633 28815266 43222899 72038165 86445798 144076330 216114495 432228990