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7400243968 = 28132223631
BaseRepresentation
bin1101110010001011…
…01100001100000000
3201002201212100021221
412321011230030000
5110123430301333
63222152524424
7351246015205
oct67105541400
921081770257
107400243968
113158276907
1215263b0714
1390c2015b0
14502b85cac
152d4a29d2d
hex1b916c300

7400243968 has 36 divisors (see below), whose sum is σ = 15907863328. Its totient is φ = 3415495680.

The previous prime is 7400243947. The next prime is 7400243999. The reversal of 7400243968 is 8693420047.

It is a super-2 number, since 2×74002439682 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1108488 + ... + 1115143.

Almost surely, 27400243968 is an apocalyptic number.

It is an amenable number.

7400243968 is an abundant number, since it is smaller than the sum of its proper divisors (8507619360).

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

7400243968 is a wasteful number, since it uses less digits than its factorization.

7400243968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223660 (or 2223646 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 7400243968 is about 86024.6706939352. The cubic root of 7400243968 is about 1948.7165754213.

The spelling of 7400243968 in words is "seven billion, four hundred million, two hundred forty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 832 1664 3328 2223631 4447262 8894524 17789048 28907203 35578096 57814406 71156192 115628812 142312384 231257624 284624768 462515248 569249536 925030496 1850060992 3700121984 7400243968