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485787492 = 223213494097
BaseRepresentation
bin11100111101001…
…000011101100100
31020212002120011100
4130331020131210
51443330144432
6120112040100
715016061031
oct3475103544
91225076140
10485787492
1122a23a373
12116833030
137984a028
1448736388
152c9ac07c
hex1cf48764

485787492 has 18 divisors (see below), whose sum is σ = 1227962918. Its totient is φ = 161929152.

The previous prime is 485787473. The next prime is 485787493. The reversal of 485787492 is 294787584.

It is a happy number.

485787492 is a `hidden beast` number, since 4 + 85 + 78 + 7 + 492 = 666.

It can be written as a sum of positive squares in only one way, i.e., 244109376 + 241678116 = 15624^2 + 15546^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (485787493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6747013 + ... + 6747084.

Almost surely, 2485787492 is an apocalyptic number.

It is an amenable number.

485787492 is an abundant number, since it is smaller than the sum of its proper divisors (742175426).

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

485787492 is a wasteful number, since it uses less digits than its factorization.

485787492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13494107 (or 13494102 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 485787492 is about 22040.5873787429. The cubic root of 485787492 is about 786.1078072121.

The spelling of 485787492 in words is "four hundred eighty-five million, seven hundred eighty-seven thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 13494097 26988194 40482291 53976388 80964582 121446873 161929164 242893746 485787492