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1553230542 = 23972668781
BaseRepresentation
bin101110010010100…
…0110101011001110
311000020200021202010
41130211012223032
511140111334132
6414043042050
753330145633
oct13445065316
94006607663
101553230542
11727838106
12374210326
131b9a3bc36
1410a3dc18a
15915616cc
hex5c946ace

1553230542 has 16 divisors (see below), whose sum is σ = 3138487632. Its totient is φ = 512405760.

The previous prime is 1553230537. The next prime is 1553230579. The reversal of 1553230542 is 2450323551.

It is a super-2 number, since 2×15532305422 = 4825050233203227528, which contains 22 as substring.

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, 1333809 + ... + 1334972.

It is an arithmetic number, because the mean of its divisors is an integer number (196155477).

Almost surely, 21553230542 is an apocalyptic number.

1553230542 is an abundant number, since it is smaller than the sum of its proper divisors (1585257090).

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

1553230542 is a wasteful number, since it uses less digits than its factorization.

1553230542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668883.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1553230542 is about 39411.0459389243. The cubic root of 1553230542 is about 1158.0979883732.

The spelling of 1553230542 in words is "one billion, five hundred fifty-three million, two hundred thirty thousand, five hundred forty-two".

Divisors: 1 2 3 6 97 194 291 582 2668781 5337562 8006343 16012686 258871757 517743514 776615271 1553230542