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13898083 = 69120113
BaseRepresentation
bin110101000001…
…000101100011
3222011002120211
4311001011203
512024214313
61213514551
7226063123
oct65010543
928132524
1013898083
117932921
1247a2a57
132b57c24
141bbac83
151347e3d
hexd41163

13898083 has 4 divisors (see below), whose sum is σ = 13918888. Its totient is φ = 13877280.

The previous prime is 13898081. The next prime is 13898113. The reversal of 13898083 is 38089831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13898083 - 21 = 13898081 is a prime.

It is a super-2 number, since 2×138980832 = 386313422149778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13898081) 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, 9366 + ... + 10747.

It is an arithmetic number, because the mean of its divisors is an integer number (3479722).

Almost surely, 213898083 is an apocalyptic number.

13898083 is a deficient number, since it is larger than the sum of its proper divisors (20805).

13898083 is an equidigital number, since it uses as much as digits as its factorization.

13898083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20804.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 13898083 is about 3728.0132778734. The cubic root of 13898083 is about 240.4279574962.

The spelling of 13898083 in words is "thirteen million, eight hundred ninety-eight thousand, eighty-three".

Divisors: 1 691 20113 13898083