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13903198 = 21272431
BaseRepresentation
bin110101000010…
…010101011110
3222011100121021
4311002111132
512024400243
61213554354
7226114051
oct65022536
928140537
1013903198
117936751
1247a59ba
132b5a35a
141bbca98
1513496ed
hexd4255e

13903198 has 12 divisors (see below), whose sum is σ = 21069072. Its totient is φ = 6880860.

The previous prime is 13903189. The next prime is 13903207. The reversal of 13903198 is 89130931.

13903198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13903189) and next prime (13903207).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32043 + ... + 32473.

It is an arithmetic number, because the mean of its divisors is an integer number (1755756).

Almost surely, 213903198 is an apocalyptic number.

13903198 is a deficient number, since it is larger than the sum of its proper divisors (7165874).

13903198 is an equidigital number, since it uses as much as digits as its factorization.

13903198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 13903198 is about 3728.6992369994. The cubic root of 13903198 is about 240.4574492892.

It can be divided in two parts, 139031 and 98, that added together give a square (139129 = 3732).

The spelling of 13903198 in words is "thirteen million, nine hundred three thousand, one hundred ninety-eight".

Divisors: 1 2 127 254 431 862 16129 32258 54737 109474 6951599 13903198