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1052351531 = 71127749339
BaseRepresentation
bin111110101110011…
…001110000101011
32201100011222220122
4332232121300223
54123400222111
6252231313455
735035561160
oct7656316053
92640158818
101052351531
114a0030310
1225451b88b
1313a039a1a
149da98067
15625c2cdb
hex3eb99c2b

1052351531 has 16 divisors (see below), whose sum is σ = 1316785920. Its totient is φ = 817037280.

The previous prime is 1052351483. The next prime is 1052351533. The reversal of 1052351531 is 1351532501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1052351531 - 26 = 1052351467 is a prime.

It is a super-2 number, since 2×10523515312 = 2214887489596087922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1052351531.

It is not an unprimeable number, because it can be changed into a prime (1052351533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3341 + ... + 45998.

It is an arithmetic number, because the mean of its divisors is an integer number (82299120).

Almost surely, 21052351531 is an apocalyptic number.

1052351531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1052351531 is a deficient number, since it is larger than the sum of its proper divisors (264434389).

1052351531 is a wasteful number, since it uses less digits than its factorization.

1052351531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49634.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1052351531 is about 32439.9681103419. The cubic root of 1052351531 is about 1017.1545490419.

The spelling of 1052351531 in words is "one billion, fifty-two million, three hundred fifty-one thousand, five hundred thirty-one".

Divisors: 1 7 11 77 277 1939 3047 21329 49339 345373 542729 3799103 13666903 95668321 150335933 1052351531