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1053131394 = 23725074557
BaseRepresentation
bin111110110001011…
…000001010000010
32201101122121200110
4332301120022002
54124100201034
6252300132150
735045316630
oct7661301202
92641577613
101053131394
114a0513227
12254837056
1313a250993
149dc1c350
15626c8de9
hex3ec58282

1053131394 has 16 divisors (see below), whose sum is σ = 2407157568. Its totient is φ = 300894672.

The previous prime is 1053131353. The next prime is 1053131399. The reversal of 1053131394 is 4931313501.

It is a super-2 number, since 2×10531313942 = 2218171466056766472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053131399) 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 7 ways as a sum of consecutive naturals, for example, 12537237 + ... + 12537320.

It is an arithmetic number, because the mean of its divisors is an integer number (150447348).

Almost surely, 21053131394 is an apocalyptic number.

1053131394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1053131394 is an abundant number, since it is smaller than the sum of its proper divisors (1354026174).

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

1053131394 is a wasteful number, since it uses less digits than its factorization.

1053131394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25074569.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 1053131394 is about 32451.9859792895. The cubic root of 1053131394 is about 1017.4057468933.

Adding to 1053131394 its reverse (4931313501), we get a palindrome (5984444895).

The spelling of 1053131394 in words is "one billion, fifty-three million, one hundred thirty-one thousand, three hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 25074557 50149114 75223671 150447342 175521899 351043798 526565697 1053131394