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194034090 = 23517380459
BaseRepresentation
bin10111001000010…
…11100110101010
3111112002221201210
423210023212222
5344133042330
631130453550
74544156025
oct1344134652
9445087653
10194034090
119a588758
1254b942b6
1331278993
141baac1bc
151207b8b0
hexb90b9aa

194034090 has 32 divisors (see below), whose sum is σ = 493076160. Its totient is φ = 48698624.

The previous prime is 194034089. The next prime is 194034091. The reversal of 194034090 is 90430491.

194034090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (194034089) and next prime (194034091).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (194034091) 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, 189720 + ... + 190739.

It is an arithmetic number, because the mean of its divisors is an integer number (15408630).

Almost surely, 2194034090 is an apocalyptic number.

194034090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194034090 is an abundant number, since it is smaller than the sum of its proper divisors (299042070).

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

194034090 is a wasteful number, since it uses less digits than its factorization.

194034090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380486.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 194034090 is about 13929.6119831099. The cubic root of 194034090 is about 578.9299434091.

The spelling of 194034090 in words is "one hundred ninety-four million, thirty-four thousand, ninety".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 380459 760918 1141377 1902295 2282754 3804590 5706885 6467803 11413770 12935606 19403409 32339015 38806818 64678030 97017045 194034090