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1052758531 = 11131972559
BaseRepresentation
bin111110101111111…
…101001000000011
32201100221200012201
4332233331020003
54124001233111
6252244134031
735042204566
oct7657751003
92640850181
101052758531
114a0289080
12254697317
1313a150056
149db624dd
15626536c1
hex3ebfd203

1052758531 has 8 divisors (see below), whose sum is σ = 1149350400. Its totient is φ = 956314440.

The previous prime is 1052758519. The next prime is 1052758537. The reversal of 1052758531 is 1358572501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1052758531 is a prime.

It is a super-2 number, since 2×10527585312 = 2216601049186555922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052758537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21771 + ... + 50788.

It is an arithmetic number, because the mean of its divisors is an integer number (143668800).

Almost surely, 21052758531 is an apocalyptic number.

1052758531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1052758531 is a deficient number, since it is larger than the sum of its proper divisors (96591869).

1052758531 is a wasteful number, since it uses less digits than its factorization.

1052758531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73889.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 1052758531 is about 32446.2406296939. The cubic root of 1052758531 is about 1017.2856612958.

The spelling of 1052758531 in words is "one billion, fifty-two million, seven hundred fifty-eight thousand, five hundred thirty-one".

Divisors: 1 11 1319 14509 72559 798149 95705321 1052758531