Search a number
-
+
20115358 = 210793997
BaseRepresentation
bin100110010111…
…0111110011110
31101211222002021
41030232332132
520122142413
61555050354
7332656234
oct114567636
941758067
1020115358
1110399a6a
1268a09ba
134223aa3
142958954
151b7518d
hex132ef9e

20115358 has 8 divisors (see below), whose sum is σ = 30455352. Its totient is φ = 9963576.

The previous prime is 20115353. The next prime is 20115367. The reversal of 20115358 is 85351102.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20115353) 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, 46785 + ... + 47212.

It is an arithmetic number, because the mean of its divisors is an integer number (3806919).

Almost surely, 220115358 is an apocalyptic number.

20115358 is a deficient number, since it is larger than the sum of its proper divisors (10339994).

20115358 is a wasteful number, since it uses less digits than its factorization.

20115358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94106.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 20115358 is about 4485.0148271773. The cubic root of 20115358 is about 271.9626444518.

The spelling of 20115358 in words is "twenty million, one hundred fifteen thousand, three hundred fifty-eight".

Divisors: 1 2 107 214 93997 187994 10057679 20115358