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11192380 = 225617907
BaseRepresentation
bin101010101100…
…100000111100
3210001122001121
4222230200330
510331124010
61035520324
7164063563
oct52544074
923048047
1011192380
116355001
1238b90a4
13241b514
1416b4bda
15eb13da
hexaac83c

11192380 has 24 divisors (see below), whose sum is σ = 23568048. Its totient is φ = 4464768.

The previous prime is 11192371. The next prime is 11192393. The reversal of 11192380 is 8329111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11887 + ... + 12793.

It is an arithmetic number, because the mean of its divisors is an integer number (982002).

Almost surely, 211192380 is an apocalyptic number.

11192380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11192380 is an abundant number, since it is smaller than the sum of its proper divisors (12375668).

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

11192380 is a wasteful number, since it uses less digits than its factorization.

11192380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 11192380 is about 3345.5014571810. The cubic root of 11192380 is about 223.6870363705.

The spelling of 11192380 in words is "eleven million, one hundred ninety-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 617 907 1234 1814 2468 3085 3628 4535 6170 9070 12340 18140 559619 1119238 2238476 2798095 5596190 11192380