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1252468668 = 223119488399
BaseRepresentation
bin100101010100111…
…0010011110111100
310020021202000000110
41022221302132330
510031112444133
6324140430020
743015544103
oct11251623674
93207660013
101252468668
11592a93280
122ab548310
1316c635429
14bc4ab03a
1574e51c63
hex4aa727bc

1252468668 has 24 divisors (see below), whose sum is σ = 3188102400. Its totient is φ = 379535920.

The previous prime is 1252468663. The next prime is 1252468669. The reversal of 1252468668 is 8668642521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252468663) 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 7 ways as a sum of consecutive naturals, for example, 4744068 + ... + 4744331.

It is an arithmetic number, because the mean of its divisors is an integer number (132837600).

Almost surely, 21252468668 is an apocalyptic number.

It is an amenable number.

1252468668 is an abundant number, since it is smaller than the sum of its proper divisors (1935633732).

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

1252468668 is a wasteful number, since it uses less digits than its factorization.

1252468668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488417 (or 9488415 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 1252468668 is about 35390.2340766489. The cubic root of 1252468668 is about 1077.9260232198.

The spelling of 1252468668 in words is "one billion, two hundred fifty-two million, four hundred sixty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 9488399 18976798 28465197 37953596 56930394 104372389 113860788 208744778 313117167 417489556 626234334 1252468668