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194142030 = 2356471401
BaseRepresentation
bin10111001001001…
…01111101001110
3111112022102210120
423210211331032
5344200021110
631133045410
74545115515
oct1344457516
9445272716
10194142030
119a651865
1255026866
13312b5b54
141bad967c
151209d870
hexb925f4e

194142030 has 16 divisors (see below), whose sum is σ = 465940944. Its totient is φ = 51771200.

The previous prime is 194142017. The next prime is 194142041. The reversal of 194142030 is 30241491.

It is a super-2 number, since 2×1941420302 = 75382255625041800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3235671 + ... + 3235730.

It is an arithmetic number, because the mean of its divisors is an integer number (29121309).

Almost surely, 2194142030 is an apocalyptic number.

194142030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194142030 is an abundant number, since it is smaller than the sum of its proper divisors (271798914).

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

194142030 is a wasteful number, since it uses less digits than its factorization.

194142030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471411.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 194142030 is about 13933.4859242043. The cubic root of 194142030 is about 579.0372752602.

The spelling of 194142030 in words is "one hundred ninety-four million, one hundred forty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 6471401 12942802 19414203 32357005 38828406 64714010 97071015 194142030