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1009102740 = 223516818379
BaseRepresentation
bin111100001001011…
…010111110010100
32121022210201201120
4330021122332110
54031312241430
6244044323540
734002142332
oct7411327624
92538721646
101009102740
11478680908
12241b435b0
131310a6519
149803ab52
155d8cd610
hex3c25af94

1009102740 has 24 divisors (see below), whose sum is σ = 2825487840. Its totient is φ = 269094048.

The previous prime is 1009102733. The next prime is 1009102741. The reversal of 1009102740 is 472019001.

It is a self number, because there is not a number n which added to its sum of digits gives 1009102740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009102741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8409130 + ... + 8409249.

It is an arithmetic number, because the mean of its divisors is an integer number (117728660).

Almost surely, 21009102740 is an apocalyptic number.

1009102740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1009102740 is an abundant number, since it is smaller than the sum of its proper divisors (1816385100).

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

1009102740 is a wasteful number, since it uses less digits than its factorization.

1009102740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16818391 (or 16818389 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1009102740 is about 31766.3775083027. The cubic root of 1009102740 is about 1003.0250862919.

The spelling of 1009102740 in words is "one billion, nine million, one hundred two thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 16818379 33636758 50455137 67273516 84091895 100910274 168183790 201820548 252275685 336367580 504551370 1009102740