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140014025 = 525600561
BaseRepresentation
bin10000101100001…
…11000111001001
3100202110110010122
420112013013021
5241320422100
621520553025
73320046104
oct1026070711
9322413118
10140014025
1172041678
123aa82775
1323013848
141484973b
15c45a985
hex85871c9

140014025 has 6 divisors (see below), whose sum is σ = 173617422. Its totient is φ = 112011200.

The previous prime is 140014009. The next prime is 140014027. The reversal of 140014025 is 520410041.

It can be written as a sum of positive squares in 3 ways, for example, as 2468041 + 137545984 = 1571^2 + 11728^2 .

It is not a de Polignac number, because 140014025 - 24 = 140014009 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 = 140013994 and 140014012.

It is not an unprimeable number, because it can be changed into a prime (140014027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2800256 + ... + 2800305.

It is an arithmetic number, because the mean of its divisors is an integer number (28936237).

Almost surely, 2140014025 is an apocalyptic number.

It is an amenable number.

140014025 is a deficient number, since it is larger than the sum of its proper divisors (33603397).

140014025 is an equidigital number, since it uses as much as digits as its factorization.

140014025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600571 (or 5600566 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 140014025 is about 11832.7522157780. The cubic root of 140014025 is about 519.2667488275.

Adding to 140014025 its reverse (520410041), we get a palindrome (660424066).

The spelling of 140014025 in words is "one hundred forty million, fourteen thousand, twenty-five".

Divisors: 1 5 25 5600561 28002805 140014025