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1252381676 = 227133440609
BaseRepresentation
bin100101010100101…
…1101001111101100
310020021120120200112
41022221131033230
510031102203201
6324134515152
743015032350
oct11251351754
93207516615
101252381676
11592a33987
122ab505ab8
1316c604960
14bc487460
1574e360bb
hex4aa5d3ec

1252381676 has 24 divisors (see below), whose sum is σ = 2697438240. Its totient is φ = 495447552.

The previous prime is 1252381673. The next prime is 1252381699. The reversal of 1252381676 is 6761832521.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1252381673) 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, 1719941 + ... + 1720668.

It is an arithmetic number, because the mean of its divisors is an integer number (112393260).

Almost surely, 21252381676 is an apocalyptic number.

It is an amenable number.

1252381676 is an abundant number, since it is smaller than the sum of its proper divisors (1445056564).

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

1252381676 is a wasteful number, since it uses less digits than its factorization.

1252381676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440633 (or 3440631 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 1252381676 is about 35389.0050156825. The cubic root of 1252381676 is about 1077.9010663449.

The spelling of 1252381676 in words is "one billion, two hundred fifty-two million, three hundred eighty-one thousand, six hundred seventy-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 3440609 6881218 13762436 24084263 44727917 48168526 89455834 96337052 178911668 313095419 626190838 1252381676