Search a number
-
+
190678484 = 2247669621
BaseRepresentation
bin10110101110110…
…00010111010100
3111021210110201002
423113120113110
5342303202414
630530522432
74503511643
oct1327302724
9437713632
10190678484
11986a6627
1253a36418
1330672509
141b47735a
1511b174de
hexb5d85d4

190678484 has 6 divisors (see below), whose sum is σ = 333687354. Its totient is φ = 95339240.

The previous prime is 190678447. The next prime is 190678507. The reversal of 190678484 is 484876091.

It can be written as a sum of positive squares in only one way, i.e., 169260100 + 21418384 = 13010^2 + 4628^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23834807 + ... + 23834814.

It is an arithmetic number, because the mean of its divisors is an integer number (55614559).

Almost surely, 2190678484 is an apocalyptic number.

It is an amenable number.

190678484 is a deficient number, since it is larger than the sum of its proper divisors (143008870).

190678484 is a wasteful number, since it uses less digits than its factorization.

190678484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47669625 (or 47669623 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 190678484 is about 13808.6380211808. The cubic root of 190678484 is about 575.5731992944.

The spelling of 190678484 in words is "one hundred ninety million, six hundred seventy-eight thousand, four hundred eighty-four".

Divisors: 1 2 4 47669621 95339242 190678484