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1870130 = 252347173
BaseRepresentation
bin111001000100100110010
310112000100002
413020210302
5434321010
6104030002
721616163
oct7104462
93460302
101870130
111068069
12762302
135062b2
1436976a
1526e1a5
hex1c8932

1870130 has 32 divisors (see below), whose sum is σ = 3608064. Its totient is φ = 696256.

The previous prime is 1870129. The next prime is 1870139. The reversal of 1870130 is 310781.

1870130 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is not an unprimeable number, because it can be changed into a prime (1870139) 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, 10724 + ... + 10896.

It is an arithmetic number, because the mean of its divisors is an integer number (112752).

21870130 is an apocalyptic number.

1870130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1870130 is a deficient number, since it is larger than the sum of its proper divisors (1737934).

1870130 is a wasteful number, since it uses less digits than its factorization.

1870130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1870130 is about 1367.5269649992. The cubic root of 1870130 is about 123.2037515724.

The spelling of 1870130 in words is "one million, eight hundred seventy thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 47 94 115 173 230 235 346 470 865 1081 1730 2162 3979 5405 7958 8131 10810 16262 19895 39790 40655 81310 187013 374026 935065 1870130