Search a number
-
+
190791948 = 22315899329
BaseRepresentation
bin10110101111101…
…00000100001100
3111022000020100110
423113310010030
5342320320243
630533200020
74504463514
oct1327640414
9438006313
10190791948
11987738a6
1253a90010
13306b2059
141b4a6844
1511b3ae33
hexb5f410c

190791948 has 12 divisors (see below), whose sum is σ = 445181240. Its totient is φ = 63597312.

The previous prime is 190791857. The next prime is 190791961. The reversal of 190791948 is 849197091.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 190791897 and 190791906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7949653 + ... + 7949676.

Almost surely, 2190791948 is an apocalyptic number.

It is an amenable number.

190791948 is an abundant number, since it is smaller than the sum of its proper divisors (254389292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190791948 is a wasteful number, since it uses less digits than its factorization.

190791948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15899336 (or 15899334 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 48.

The square root of 190791948 is about 13812.7458530156. The cubic root of 190791948 is about 575.6873423739.

The spelling of 190791948 in words is "one hundred ninety million, seven hundred ninety-one thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 15899329 31798658 47697987 63597316 95395974 190791948