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1014892640 = 25514942571
BaseRepresentation
bin111100011111100…
…000100001100000
32121201200212222022
4330133200201200
54034303031030
6244412401012
734102305446
oct7437404140
92551625868
101014892640
11480975953
12243a76168
131323529b8
1498b06b96
155e173de5
hex3c7e0860

1014892640 has 48 divisors (see below), whose sum is σ = 2413832400. Its totient is φ = 403223040.

The previous prime is 1014892621. The next prime is 1014892649. The reversal of 1014892640 is 462984101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1014892640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1014892649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555 + ... + 45125.

It is an arithmetic number, because the mean of its divisors is an integer number (50288175).

Almost surely, 21014892640 is an apocalyptic number.

1014892640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1014892640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206916200).

1014892640 is an abundant number, since it is smaller than the sum of its proper divisors (1398939760).

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

1014892640 is a wasteful number, since it uses less digits than its factorization.

1014892640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42735 (or 42727 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1014892640 is about 31857.3796788123. The cubic root of 1014892640 is about 1004.9397718088.

The spelling of 1014892640 in words is "one billion, fourteen million, eight hundred ninety-two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 149 160 298 596 745 1192 1490 2384 2980 4768 5960 11920 23840 42571 85142 170284 212855 340568 425710 681136 851420 1362272 1702840 3405680 6343079 6811360 12686158 25372316 31715395 50744632 63430790 101489264 126861580 202978528 253723160 507446320 1014892640