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7542085344 = 25378563389
BaseRepresentation
bin1110000011000101…
…10001011011100000
3201110121202122002020
413001202301123200
5110421233212334
63244221021440
7354620445003
oct70142613340
921417678066
107542085344
113220346392
1215659b4880
13932704ac1
1451794953a
152e21e6e49
hex1c18b16e0

7542085344 has 24 divisors (see below), whose sum is σ = 19797974280. Its totient is φ = 2514028416.

The previous prime is 7542085307. The next prime is 7542085429. The reversal of 7542085344 is 4435802457.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 7542085296 and 7542085305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39281599 + ... + 39281790.

It is an arithmetic number, because the mean of its divisors is an integer number (824915595).

Almost surely, 27542085344 is an apocalyptic number.

It is an amenable number.

7542085344 is an abundant number, since it is smaller than the sum of its proper divisors (12255888936).

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

7542085344 is a wasteful number, since it uses less digits than its factorization.

7542085344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78563402 (or 78563394 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 42.

The square root of 7542085344 is about 86845.1803153174. The cubic root of 7542085344 is about 1961.0882946798.

The spelling of 7542085344 in words is "seven billion, five hundred forty-two million, eighty-five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 78563389 157126778 235690167 314253556 471380334 628507112 942760668 1257014224 1885521336 2514028448 3771042672 7542085344