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2131190 = 25213119
BaseRepresentation
bin1000001000010011110110
311000021102222
420020103312
51021144230
6113402342
724054245
oct10102366
94007388
102131190
111226216
128693b2
13598079
143d695c
152c16e5
hex2084f6

2131190 has 8 divisors (see below), whose sum is σ = 3836160. Its totient is φ = 852472.

The previous prime is 2131141. The next prime is 2131193. The reversal of 2131190 is 911312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21311902 = 9083941632200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106550 + ... + 106569.

It is an arithmetic number, because the mean of its divisors is an integer number (479520).

22131190 is an apocalyptic number.

2131190 is a deficient number, since it is larger than the sum of its proper divisors (1704970).

2131190 is a wasteful number, since it uses less digits than its factorization.

2131190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213126.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 2131190 is about 1459.8595822887. The cubic root of 2131190 is about 128.6887917185.

The spelling of 2131190 in words is "two million, one hundred thirty-one thousand, one hundred ninety".

Divisors: 1 2 5 10 213119 426238 1065595 2131190