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1024104040 = 23525602601
BaseRepresentation
bin111101000010101…
…001011001101000
32122101000212122021
4331002221121220
54044132312130
6245342034224
734243512031
oct7502513150
92571025567
101024104040
11486097583
12246b78974
1313422962b
149a023a88
155ed9337a
hex3d0a9668

1024104040 has 16 divisors (see below), whose sum is σ = 2304234180. Its totient is φ = 409641600.

The previous prime is 1024104031. The next prime is 1024104041. The reversal of 1024104040 is 404014201.

It can be written as a sum of positive squares in 2 ways, for example, as 955180836 + 68923204 = 30906^2 + 8302^2 .

It is not an unprimeable number, because it can be changed into a prime (1024104041) 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, 12801261 + ... + 12801340.

Almost surely, 21024104040 is an apocalyptic number.

1024104040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024104040 is an abundant number, since it is smaller than the sum of its proper divisors (1280130140).

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

1024104040 is a wasteful number, since it uses less digits than its factorization.

1024104040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25602612 (or 25602608 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1024104040 is about 32001.6255837106. The cubic root of 1024104040 is about 1007.9709747458.

Adding to 1024104040 its reverse (404014201), we get a palindrome (1428118241).

The spelling of 1024104040 in words is "one billion, twenty-four million, one hundred four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 25602601 51205202 102410404 128013005 204820808 256026010 512052020 1024104040