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1400052053 = 2961712157
BaseRepresentation
bin101001101110011…
…0001100101010101
310121120110000100202
41103130301211111
510331403131203
6350531550245
746460150261
oct12334614525
93546400322
101400052053
11659324914
12330a5b385
1319409938a
14d3d270a1
1582da5388
hex53731955

1400052053 has 24 divisors (see below), whose sum is σ = 1502608440. Its totient is φ = 1302537600.

The previous prime is 1400052041. The next prime is 1400052079. The reversal of 1400052053 is 3502500041.

It can be written as a sum of positive squares in 4 ways, for example, as 20164 + 1400031889 = 142^2 + 37417^2 .

It is not a de Polignac number, because 1400052053 - 24 = 1400052037 is a prime.

It is a super-2 number, since 2×14000520532 = 3920291502219029618, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400052013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8917451 + ... + 8917607.

It is an arithmetic number, because the mean of its divisors is an integer number (62608685).

Almost surely, 21400052053 is an apocalyptic number.

It is an amenable number.

1400052053 is a deficient number, since it is larger than the sum of its proper divisors (102556387).

1400052053 is an equidigital number, since it uses as much as digits as its factorization.

1400052053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1400052053 is about 37417.2694487452. The cubic root of 1400052053 is about 1118.7028064609.

Adding to 1400052053 its reverse (3502500041), we get a palindrome (4902552094).

The spelling of 1400052053 in words is "one billion, four hundred million, fifty-two thousand, fifty-three".

Divisors: 1 29 61 71 157 1769 2059 4331 4553 5041 9577 11147 125599 146189 277733 307501 323263 679967 791437 8917529 19719043 22951673 48277657 1400052053