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2146427190 = 232523849191
BaseRepresentation
bin111111111101111…
…1110000100110110
312112120212210120100
41333323332010312
513343441132230
6552553214530
7104122221135
oct17773760466
95476783510
102146427190
11a01669576
124baa01446
132828c4c7b
141650d391c
15c8688660
hex7fefe136

2146427190 has 24 divisors (see below), whose sum is σ = 5580710928. Its totient is φ = 572380560.

The previous prime is 2146427189. The next prime is 2146427219. The reversal of 2146427190 is 917246412.

It is a happy number.

2146427190 is a `hidden beast` number, since 2 + 1 + 4 + 642 + 7 + 1 + 9 + 0 = 666.

It is a super-2 number, since 2×21464271902 = 9214299363942592200, 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 11 ways as a sum of consecutive naturals, for example, 11924506 + ... + 11924685.

It is an arithmetic number, because the mean of its divisors is an integer number (232529622).

Almost surely, 22146427190 is an apocalyptic number.

2146427190 is an abundant number, since it is smaller than the sum of its proper divisors (3434283738).

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

2146427190 is a wasteful number, since it uses less digits than its factorization.

2146427190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23849204 (or 23849201 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2146427190 is about 46329.5498575153. The cubic root of 2146427190 is about 1289.9475551060.

The spelling of 2146427190 in words is "two billion, one hundred forty-six million, four hundred twenty-seven thousand, one hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 23849191 47698382 71547573 119245955 143095146 214642719 238491910 357737865 429285438 715475730 1073213595 2146427190