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2290926138 = 23381821023
BaseRepresentation
bin1000100010001100…
…1100001000111010
312220122210002212020
42020203030020322
514142434114023
61015154255310
7110525356644
oct21043141072
95818702766
102290926138
11a76193796
1253b287536
132a6818cc7
1417a389894
15d61ccde3
hex888cc23a

2290926138 has 8 divisors (see below), whose sum is σ = 4581852288. Its totient is φ = 763642044.

The previous prime is 2290926101. The next prime is 2290926161. The reversal of 2290926138 is 8316290922.

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

2290926138 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2290926138.

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, 190910506 + ... + 190910517.

It is an arithmetic number, because the mean of its divisors is an integer number (572731536).

Almost surely, 22290926138 is an apocalyptic number.

2290926138 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.

2290926138 is a wasteful number, since it uses less digits than its factorization.

2290926138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381821028.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2290926138 is about 47863.6201932115. The cubic root of 2290926138 is about 1318.2679567071.

The spelling of 2290926138 in words is "two billion, two hundred ninety million, nine hundred twenty-six thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 381821023 763642046 1145463069 2290926138