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1351383264 = 25357113761
BaseRepresentation
bin101000010001100…
…0111100011100000
310111011212101100000
41100203013203200
510231423231024
6342032500000
745326365620
oct12043074340
93434771300
101351383264
11633903280
123186aa600
13186c88b8a
14cb698880
157d98ecc9
hex508c78e0

1351383264 has 576 divisors, whose sum is σ = 5186668032. Its totient is φ = 335923200.

The previous prime is 1351383263. The next prime is 1351383269. The reversal of 1351383264 is 4623831531.

1351383264 = T57 + T58 + ... + T2008.

1351383264 is a `hidden beast` number, since 1 + 3 + 513 + 83 + 2 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351383263) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22153794 + ... + 22153854.

It is an arithmetic number, because the mean of its divisors is an integer number (9004632).

Almost surely, 21351383264 is an apocalyptic number.

1351383264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351383264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2593334016).

1351383264 is an abundant number, since it is smaller than the sum of its proper divisors (3835284768).

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

1351383264 is a wasteful number, since it uses less digits than its factorization.

1351383264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 121 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 1351383264 is about 36761.1651610773. The cubic root of 1351383264 is about 1105.5868013417.

The spelling of 1351383264 in words is "one billion, three hundred fifty-one million, three hundred eighty-three thousand, two hundred sixty-four".