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40025113 = 79506647
BaseRepresentation
bin1001100010101…
…1110000011001
32210022111010121
42120223300121
540221300423
63545513241
7664131202
oct230536031
983274117
1040025113
1120658507
12114a2821
1383a50cb
14545c5a9
1537a945d
hex262bc19

40025113 has 4 divisors (see below), whose sum is σ = 40531840. Its totient is φ = 39518388.

The previous prime is 40025101. The next prime is 40025119. The reversal of 40025113 is 31152004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40025113 - 221 = 37927961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40025119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253245 + ... + 253402.

It is an arithmetic number, because the mean of its divisors is an integer number (10132960).

Almost surely, 240025113 is an apocalyptic number.

It is an amenable number.

40025113 is a deficient number, since it is larger than the sum of its proper divisors (506727).

40025113 is an equidigital number, since it uses as much as digits as its factorization.

40025113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506726.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 40025113 is about 6326.5403657923. The cubic root of 40025113 is about 342.0667454058.

Adding to 40025113 its reverse (31152004), we get a palindrome (71177117).

The spelling of 40025113 in words is "forty million, twenty-five thousand, one hundred thirteen".

Divisors: 1 79 506647 40025113