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1004681140 = 22550234057
BaseRepresentation
bin111011111000100…
…011011110110100
32121000111002102121
4323320203132310
54024144244030
6243405445324
733616435351
oct7370433664
92530432377
101004681140
114761308a1
12240570844
131301b8aa8
1497609628
155d30847a
hex3be237b4

1004681140 has 12 divisors (see below), whose sum is σ = 2109830436. Its totient is φ = 401872448.

The previous prime is 1004681137. The next prime is 1004681159. The reversal of 1004681140 is 411864001.

It can be written as a sum of positive squares in 2 ways, for example, as 565107984 + 439573156 = 23772^2 + 20966^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25117009 + ... + 25117048.

It is an arithmetic number, because the mean of its divisors is an integer number (175819203).

Almost surely, 21004681140 is an apocalyptic number.

1004681140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004681140 is an abundant number, since it is smaller than the sum of its proper divisors (1105149296).

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

1004681140 is a wasteful number, since it uses less digits than its factorization.

1004681140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50234066 (or 50234064 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1004681140 is about 31696.7055070397. The cubic root of 1004681140 is about 1001.5579515265.

The spelling of 1004681140 in words is "one billion, four million, six hundred eighty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 50234057 100468114 200936228 251170285 502340570 1004681140