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190888115 = 5117148883
BaseRepresentation
bin10110110000010…
…11100010110011
3111022012010021012
423120023202303
5342331404430
630535221135
74505344055
oct1330134263
9438163235
10190888115
119882a080
1253b177ab
1330716a62
141b4cd8d5
1511b59695
hexb60b8b3

190888115 has 16 divisors (see below), whose sum is σ = 253414656. Its totient is φ = 136869600.

The previous prime is 190888099. The next prime is 190888151. The reversal of 190888115 is 511888091.

It is a happy number.

190888115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190888115 - 24 = 190888099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20537 + ... + 28346.

It is an arithmetic number, because the mean of its divisors is an integer number (15838416).

Almost surely, 2190888115 is an apocalyptic number.

190888115 is a deficient number, since it is larger than the sum of its proper divisors (62526541).

190888115 is a wasteful number, since it uses less digits than its factorization.

190888115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48970.

The product of its (nonzero) digits is 23040, while the sum is 41.

The square root of 190888115 is about 13816.2265108821. The cubic root of 190888115 is about 575.7840495047.

The spelling of 190888115 in words is "one hundred ninety million, eight hundred eighty-eight thousand, one hundred fifteen".

Divisors: 1 5 11 55 71 355 781 3905 48883 244415 537713 2688565 3470693 17353465 38177623 190888115