Search a number
-
+
190632650 = 25213313937
BaseRepresentation
bin10110101110011…
…01001011001010
3111021201010211112
423113031023022
5342300221100
630525530322
74503231215
oct1327151312
9437633745
10190632650
119867514a
1253a139a2
13306576b0
141b46477c
1511b08b35
hexb5cd2ca

190632650 has 48 divisors (see below), whose sum is σ = 383480664. Its totient is φ = 70087680.

The previous prime is 190632601. The next prime is 190632661. The reversal of 190632650 is 56236091.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 56235001 + 134397649 = 7499^2 + 11593^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202982 + ... + 203918.

Almost surely, 2190632650 is an apocalyptic number.

190632650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190632650 is an abundant number, since it is smaller than the sum of its proper divisors (192848014).

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

190632650 is a wasteful number, since it uses less digits than its factorization.

190632650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 190632650 is about 13806.9783080875. The cubic root of 190632650 is about 575.5270781388.

The spelling of 190632650 in words is "one hundred ninety million, six hundred thirty-two thousand, six hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 313 325 626 650 937 1565 1874 3130 4069 4685 7825 8138 9370 12181 15650 20345 23425 24362 40690 46850 60905 101725 121810 203450 293281 304525 586562 609050 1466405 2932810 3812653 7332025 7625306 14664050 19063265 38126530 95316325 190632650