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13925419 = 235931021
BaseRepresentation
bin110101000111…
…110000101011
3222012111002021
4311013300223
512031103134
61214245311
7226235614
oct65076053
928174067
1013925419
117951412
1247b6837
132b674c1
141bc6c0b
1513510b4
hexd47c2b

13925419 has 8 divisors (see below), whose sum is σ = 14569632. Its totient is φ = 13284480.

The previous prime is 13925413. The next prime is 13925441. The reversal of 13925419 is 91452931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13925419 - 219 = 13401131 is a prime.

It is a super-2 number, since 2×139254192 = 387834588651122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13925413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13129 + ... + 14149.

It is an arithmetic number, because the mean of its divisors is an integer number (1821204).

Almost surely, 213925419 is an apocalyptic number.

13925419 is a deficient number, since it is larger than the sum of its proper divisors (644213).

13925419 is a wasteful number, since it uses less digits than its factorization.

13925419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637.

The product of its digits is 9720, while the sum is 34.

The square root of 13925419 is about 3731.6777727987. The cubic root of 13925419 is about 240.5854860399.

The spelling of 13925419 in words is "thirteen million, nine hundred twenty-five thousand, four hundred nineteen".

Divisors: 1 23 593 1021 13639 23483 605453 13925419