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13198030 = 251319803
BaseRepresentation
bin110010010110…
…001011001110
3220211112021221
4302112023032
511334314110
61150513554
7220116136
oct62261316
926745257
1013198030
1174a496a
1245058ba
1329713b1
141a77ac6
15125a7da
hexc962ce

13198030 has 8 divisors (see below), whose sum is σ = 23756472. Its totient is φ = 5279208.

The previous prime is 13198019. The next prime is 13198037. The reversal of 13198030 is 3089131.

13198030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 13197986 and 13198004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13198037) 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, 659892 + ... + 659911.

It is an arithmetic number, because the mean of its divisors is an integer number (2969559).

Almost surely, 213198030 is an apocalyptic number.

13198030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13198030 is a deficient number, since it is larger than the sum of its proper divisors (10558442).

13198030 is a wasteful number, since it uses less digits than its factorization.

13198030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319810.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 13198030 is about 3632.9093024737. The cubic root of 13198030 is about 236.3213925312.

The spelling of 13198030 in words is "thirteen million, one hundred ninety-eight thousand, thirty".

Divisors: 1 2 5 10 1319803 2639606 6599015 13198030