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1400234025 = 35218669787
BaseRepresentation
bin101001101110101…
…1110000000101001
310121120210020222110
41103131132000221
510331424442100
6350535512533
746461535641
oct12335360051
93546706873
101400234025
11659439603
12330b28749
13194131158
14d3d73521
1582dde250
hex5375e029

1400234025 has 12 divisors (see below), whose sum is σ = 2315053712. Its totient is φ = 746791440.

The previous prime is 1400234021. The next prime is 1400234041. The reversal of 1400234025 is 5204320041.

It is not a de Polignac number, because 1400234025 - 22 = 1400234021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1400233992 and 1400234010.

It is not an unprimeable number, because it can be changed into a prime (1400234021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9334819 + ... + 9334968.

Almost surely, 21400234025 is an apocalyptic number.

1400234025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1400234025 is a deficient number, since it is larger than the sum of its proper divisors (914819687).

1400234025 is a wasteful number, since it uses less digits than its factorization.

1400234025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18669800 (or 18669795 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1400234025 is about 37419.7010276672. The cubic root of 1400234025 is about 1118.7512722227.

Adding to 1400234025 its reverse (5204320041), we get a palindrome (6604554066).

The spelling of 1400234025 in words is "one billion, four hundred million, two hundred thirty-four thousand, twenty-five".

Divisors: 1 3 5 15 25 75 18669787 56009361 93348935 280046805 466744675 1400234025