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904275140 = 22545213757
BaseRepresentation
bin110101111001100…
…010010011000100
32100000112221021212
4311321202103010
53322443301030
6225421430552
731260132446
oct6571422304
92300487255
10904275140
1142449232a
12212a0b458
13115462562
1488150496
15545c3595
hex35e624c4

904275140 has 12 divisors (see below), whose sum is σ = 1898977836. Its totient is φ = 361710048.

The previous prime is 904275091. The next prime is 904275143. The reversal of 904275140 is 41572409.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 423701056 + 480574084 = 20584^2 + 21922^2 .

It is a junction number, because it is equal to n+sod(n) for n = 904275097 and 904275106.

It is not an unprimeable number, because it can be changed into a prime (904275143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22606859 + ... + 22606898.

It is an arithmetic number, because the mean of its divisors is an integer number (158248153).

Almost surely, 2904275140 is an apocalyptic number.

It is an amenable number.

904275140 is an abundant number, since it is smaller than the sum of its proper divisors (994702696).

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

904275140 is a wasteful number, since it uses less digits than its factorization.

904275140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45213766 (or 45213764 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 904275140 is about 30071.1679187889. The cubic root of 904275140 is about 967.0157119746.

The spelling of 904275140 in words is "nine hundred four million, two hundred seventy-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 45213757 90427514 180855028 226068785 452137570 904275140