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7540641052 = 227713793079
BaseRepresentation
bin1110000010111010…
…10000110100011100
3201110112001020212221
413001131100310130
5110420401003202
63244130035124
7354602251150
oct70135206434
921415036787
107540641052
11321a54a25a
121565418aa4
1393231a5a9
14517691060
152e200e037
hex1c1750d1c

7540641052 has 24 divisors (see below), whose sum is σ = 15293698560. Its totient is φ = 3186185520.

The previous prime is 7540641049. The next prime is 7540641151. The reversal of 7540641052 is 2501460457.

It is a super-2 number, since 2×75406410522 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7540640999 and 7540641017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894552 + ... + 1898527.

It is an arithmetic number, because the mean of its divisors is an integer number (637237440).

Almost surely, 27540641052 is an apocalyptic number.

It is an amenable number.

7540641052 is an abundant number, since it is smaller than the sum of its proper divisors (7753057508).

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

7540641052 is a wasteful number, since it uses less digits than its factorization.

7540641052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793161 (or 3793159 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 7540641052 is about 86836.8645910249. The cubic root of 7540641052 is about 1960.9631053887.

The spelling of 7540641052 in words is "seven billion, five hundred forty million, six hundred forty-one thousand, fifty-two".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 3793079 7586158 15172316 26551553 53103106 106206212 269308609 538617218 1077234436 1885160263 3770320526 7540641052