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125213463 = 3243323549
BaseRepresentation
bin1110111011010…
…01101100010111
322201121111120200
413131221230113
5224023312323
620231431543
73050203554
oct735515427
9281544520
10125213463
1164752801
1235b255b3
131cc30c0b
14128b5a2b
15aed5443
hex7769b17

125213463 has 12 divisors (see below), whose sum is σ = 185070600. Its totient is φ = 81534096.

The previous prime is 125213461. The next prime is 125213497. The reversal of 125213463 is 364312521.

It is not a de Polignac number, because 125213463 - 21 = 125213461 is a prime.

It is a super-2 number, since 2×1252134632 = 31356822632904738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125213461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161388 + ... + 162161.

It is an arithmetic number, because the mean of its divisors is an integer number (15422550).

Almost surely, 2125213463 is an apocalyptic number.

125213463 is a deficient number, since it is larger than the sum of its proper divisors (59857137).

125213463 is a wasteful number, since it uses less digits than its factorization.

125213463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323598 (or 323595 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 125213463 is about 11189.8821709614. The cubic root of 125213463 is about 500.2844554728.

Adding to 125213463 its reverse (364312521), we get a palindrome (489525984).

The spelling of 125213463 in words is "one hundred twenty-five million, two hundred thirteen thousand, four hundred sixty-three".

Divisors: 1 3 9 43 129 387 323549 970647 2911941 13912607 41737821 125213463