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1830194 = 21948163
BaseRepresentation
bin110111110110100110010
310102222112222
412332310302
5432031234
6103121042
721361562
oct6766462
93388488
101830194
111040063
12743182
134c1072
14358da2
1526242e
hex1bed32

1830194 has 8 divisors (see below), whose sum is σ = 2889840. Its totient is φ = 866916.

The previous prime is 1830181. The next prime is 1830211. The reversal of 1830194 is 4910381.

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

It is a super-2 number, since 2×18301942 = 6699220155272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24044 + ... + 24119.

It is an arithmetic number, because the mean of its divisors is an integer number (361230).

21830194 is an apocalyptic number.

1830194 is a deficient number, since it is larger than the sum of its proper divisors (1059646).

1830194 is a wasteful number, since it uses less digits than its factorization.

1830194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48184.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1830194 is about 1352.8466284099. The cubic root of 1830194 is about 122.3204421984.

The spelling of 1830194 in words is "one million, eight hundred thirty thousand, one hundred ninety-four".

Divisors: 1 2 19 38 48163 96326 915097 1830194