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1400364745 = 51333763929
BaseRepresentation
bin101001101110111…
…1101111011001001
310121121000220021221
41103131331323021
510331443132440
6350542402041
746462622023
oct12335757311
93547026257
101400364745
1165951883a
12330b90321
131941787c0
14d3da9013
1582e17d4a
hex5377dec9

1400364745 has 16 divisors (see below), whose sum is σ = 1815100560. Its totient is φ = 1031030784.

The previous prime is 1400364743. The next prime is 1400364751. The reversal of 1400364745 is 5474630041.

It can be written as a sum of positive squares in 8 ways, for example, as 470846601 + 929518144 = 21699^2 + 30488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400364745 - 21 = 1400364743 is a prime.

It is a super-2 number, since 2×14003647452 = 3922042838077830050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1400364745.

It is not an unprimeable number, because it can be changed into a prime (1400364743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10060 + ... + 53869.

It is an arithmetic number, because the mean of its divisors is an integer number (113443785).

Almost surely, 21400364745 is an apocalyptic number.

It is an amenable number.

1400364745 is a deficient number, since it is larger than the sum of its proper divisors (414735815).

1400364745 is a wasteful number, since it uses less digits than its factorization.

1400364745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64284.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 1400364745 is about 37421.4476603992. The cubic root of 1400364745 is about 1118.7860851213.

Adding to 1400364745 its reverse (5474630041), we get a palindrome (6874994786).

The spelling of 1400364745 in words is "one billion, four hundred million, three hundred sixty-four thousand, seven hundred forty-five".

Divisors: 1 5 13 65 337 1685 4381 21905 63929 319645 831077 4155385 21544073 107720365 280072949 1400364745