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190422054 = 232371372087
BaseRepresentation
bin10110101100110…
…01110000100110
3111021022102221200
423112121300212
5342222001204
630521223330
74501363224
oct1326316046
9437272850
10190422054
11985409a9
1253931b46
13305b2894
141b40bb14
1511ab6539
hexb599c26

190422054 has 48 divisors (see below), whose sum is σ = 427029408. Its totient is φ = 61278336.

The previous prime is 190422013. The next prime is 190422059. The reversal of 190422054 is 450224091.

190422054 is a `hidden beast` number, since 190 + 422 + 0 + 54 = 666.

190422054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190422059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90199 + ... + 92285.

It is an arithmetic number, because the mean of its divisors is an integer number (8896446).

Almost surely, 2190422054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190422054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213514704).

190422054 is an abundant number, since it is smaller than the sum of its proper divisors (236607354).

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

190422054 is a wasteful number, since it uses less digits than its factorization.

190422054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269 (or 2266 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 190422054 is about 13799.3497672898. The cubic root of 190422054 is about 575.3150676568.

The spelling of 190422054 in words is "one hundred ninety million, four hundred twenty-two thousand, fifty-four".

Divisors: 1 2 3 6 9 18 37 74 111 137 222 274 333 411 666 822 1233 2087 2466 4174 5069 6261 10138 12522 15207 18783 30414 37566 45621 77219 91242 154438 231657 285919 463314 571838 694971 857757 1389942 1715514 2573271 5146542 10579003 21158006 31737009 63474018 95211027 190422054