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2197190 = 252341233
BaseRepresentation
bin1000011000011011000110
311010121222102
420120123012
51030302230
6115032102
724450542
oct10303306
94117872
102197190
111270866
1289b632
135bc118
14412a22
152d6045
hex2186c6

2197190 has 32 divisors (see below), whose sum is σ = 4245696. Its totient is φ = 816640.

The previous prime is 2197189. The next prime is 2197193. The reversal of 2197190 is 917912.

It is a super-2 number, since 2×21971902 = 9655287792200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9314 + ... + 9546.

It is an arithmetic number, because the mean of its divisors is an integer number (132678).

22197190 is an apocalyptic number.

2197190 is a deficient number, since it is larger than the sum of its proper divisors (2048506).

2197190 is a wasteful number, since it uses less digits than its factorization.

2197190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 2197190 is about 1482.2921439446. The cubic root of 2197190 is about 130.0037474265.

The spelling of 2197190 in words is "two million, one hundred ninety-seven thousand, one hundred ninety".

Divisors: 1 2 5 10 23 41 46 82 115 205 230 233 410 466 943 1165 1886 2330 4715 5359 9430 9553 10718 19106 26795 47765 53590 95530 219719 439438 1098595 2197190