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190091058 = 2331681843
BaseRepresentation
bin10110101010010…
…00111100110010
3111020200121220120
423111020330302
5342130403213
630510151110
74465514223
oct1325107462
9436617816
10190091058
1198335253
12537b2496
13304c8021
141b36324a
1511a4d423
hexb548f32

190091058 has 8 divisors (see below), whose sum is σ = 380182128. Its totient is φ = 63363684.

The previous prime is 190091017. The next prime is 190091063. The reversal of 190091058 is 850190091.

190091058 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

190091058 is an admirable number.

It is a super-2 number, since 2×1900910582 = 72269220663118728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15840916 + ... + 15840927.

It is an arithmetic number, because the mean of its divisors is an integer number (47522766).

Almost surely, 2190091058 is an apocalyptic number.

190091058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

190091058 is a wasteful number, since it uses less digits than its factorization.

190091058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31681848.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 190091058 is about 13787.3513772588. The cubic root of 190091058 is about 574.9815323621.

The spelling of 190091058 in words is "one hundred ninety million, ninety-one thousand, fifty-eight".

Divisors: 1 2 3 6 31681843 63363686 95045529 190091058