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1040520672 = 25323612919
BaseRepresentation
bin111110000001010…
…001010111100000
32200111220221000200
4332001101113200
54112333130142
6251125545200
734533164652
oct7601212740
92614827020
101040520672
1149438a644
12250575200
13137756a09
149c2986d2
156153764c
hex3e0515e0

1040520672 has 36 divisors (see below), whose sum is σ = 2958981480. Its totient is φ = 346840128.

The previous prime is 1040520671. The next prime is 1040520703. The reversal of 1040520672 is 2760250401.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040520671) 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 5 ways as a sum of consecutive naturals, for example, 1806172 + ... + 1806747.

It is an arithmetic number, because the mean of its divisors is an integer number (82193930).

Almost surely, 21040520672 is an apocalyptic number.

1040520672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1040520672 is an abundant number, since it is smaller than the sum of its proper divisors (1918460808).

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

1040520672 is a wasteful number, since it uses less digits than its factorization.

1040520672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612935 (or 3612924 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1040520672 is about 32257.1026597244. The cubic root of 1040520672 is about 1013.3284537315.

The spelling of 1040520672 in words is "one billion, forty million, five hundred twenty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 3612919 7225838 10838757 14451676 21677514 28903352 32516271 43355028 57806704 65032542 86710056 115613408 130065084 173420112 260130168 346840224 520260336 1040520672