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115212533 is a prime number
BaseRepresentation
bin1101101111000…
…00000011110101
322000210101212212
412313200003311
5213443300113
615233223205
72566201412
oct667400365
9260711785
10115212533
115a041977
1232701b05
131ab3bac7
1411431109
15a1ac0a8
hex6de00f5

115212533 has 2 divisors, whose sum is σ = 115212534. Its totient is φ = 115212532.

The previous prime is 115212527. The next prime is 115212569. The reversal of 115212533 is 335212511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83210884 + 32001649 = 9122^2 + 5657^2 .

It is a cyclic number.

It is not a de Polignac number, because 115212533 - 28 = 115212277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115212499 and 115212508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115212133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57606266 + 57606267.

It is an arithmetic number, because the mean of its divisors is an integer number (57606267).

Almost surely, 2115212533 is an apocalyptic number.

It is an amenable number.

115212533 is a deficient number, since it is larger than the sum of its proper divisors (1).

115212533 is an equidigital number, since it uses as much as digits as its factorization.

115212533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 23.

The square root of 115212533 is about 10733.7101227861. The cubic root of 115212533 is about 486.5938044314.

The spelling of 115212533 in words is "one hundred fifteen million, two hundred twelve thousand, five hundred thirty-three".