Search a number
-
+
485891432 = 23135979187
BaseRepresentation
bin11100111101100…
…001110101101000
31020212021211201222
4130331201311220
51443342011212
6120114201212
715020003045
oct3475416550
91225254658
10485891432
1122a300474
12116883208
1379885430
14487621cc
152c9ccc72
hex1cf61d68

485891432 has 32 divisors (see below), whose sum is σ = 997768800. Its totient is φ = 220453824.

The previous prime is 485891381. The next prime is 485891447. The reversal of 485891432 is 234198584.

It is a happy 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, 33458 + ... + 45729.

It is an arithmetic number, because the mean of its divisors is an integer number (31180275).

Almost surely, 2485891432 is an apocalyptic number.

It is an amenable number.

485891432 is an abundant number, since it is smaller than the sum of its proper divisors (511877368).

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

485891432 is a wasteful number, since it uses less digits than its factorization.

485891432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79265 (or 79261 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 485891432 is about 22042.9451752709. The cubic root of 485891432 is about 786.1638689126.

The spelling of 485891432 in words is "four hundred eighty-five million, eight hundred ninety-one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 59 104 118 236 472 767 1534 3068 6136 79187 158374 316748 633496 1029431 2058862 4117724 4672033 8235448 9344066 18688132 37376264 60736429 121472858 242945716 485891432