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198807413 = 7137207307
BaseRepresentation
bin10111101100110…
…00111101110101
3111212002110111112
423312120331311
5401343314123
631421044405
74632556310
oct1366307565
9455073445
10198807413
11a2248a52
12566b6705
133225a52c
141c591977
15126c0d78
hexbd98f75

198807413 has 8 divisors (see below), whose sum is σ = 228868032. Its totient is φ = 169161696.

The previous prime is 198807353. The next prime is 198807419. The reversal of 198807413 is 314708891.

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 198807413 - 214 = 198791029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198807419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102695 + ... + 104612.

It is an arithmetic number, because the mean of its divisors is an integer number (28608504).

Almost surely, 2198807413 is an apocalyptic number.

It is an amenable number.

198807413 is a deficient number, since it is larger than the sum of its proper divisors (30060619).

198807413 is a wasteful number, since it uses less digits than its factorization.

198807413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207451.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 198807413 is about 14099.9082621129. The cubic root of 198807413 is about 583.6388477083.

The spelling of 198807413 in words is "one hundred ninety-eight million, eight hundred seven thousand, four hundred thirteen".

Divisors: 1 7 137 959 207307 1451149 28401059 198807413