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194295801 = 37431032089
BaseRepresentation
bin10111001010010…
…11011111111001
3111112121020201210
423211023133321
5344214431201
631140233333
74546326030
oct1345133771
9445536653
10194295801
119a747347
125509b849
133133ab3b
141bb39717
15120ce1d6
hexb94b7f9

194295801 has 32 divisors (see below), whose sum is σ = 306042880. Its totient is φ = 107339904.

The previous prime is 194295799. The next prime is 194295809. The reversal of 194295801 is 108592491.

It is not a de Polignac number, because 194295801 - 21 = 194295799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194295801.

It is not an unprimeable number, because it can be changed into a prime (194295809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91965 + ... + 94053.

It is an arithmetic number, because the mean of its divisors is an integer number (9563840).

Almost surely, 2194295801 is an apocalyptic number.

It is an amenable number.

194295801 is a deficient number, since it is larger than the sum of its proper divisors (111747079).

194295801 is a wasteful number, since it uses less digits than its factorization.

194295801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 194295801 is about 13939.0028696460. The cubic root of 194295801 is about 579.1901112076.

The spelling of 194295801 in words is "one hundred ninety-four million, two hundred ninety-five thousand, eight hundred one".

Divisors: 1 3 7 21 43 103 129 301 309 721 903 2089 2163 4429 6267 13287 14623 31003 43869 89827 93009 215167 269481 628789 645501 1506169 1886367 4518507 9252181 27756543 64765267 194295801