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23070086 = 213887311
BaseRepresentation
bin101100000000…
…0010110000110
31121102002012122
41120000112012
521401220321
62142245542
7400043504
oct130002606
947362178
1023070086
1112027996
1278868b2
134a19950
1430c7674
15205a8ab
hex1600586

23070086 has 8 divisors (see below), whose sum is σ = 37267104. Its totient is φ = 10647720.

The previous prime is 23070083. The next prime is 23070143. The reversal of 23070086 is 68007032.

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

It is a super-3 number, since 3×230700863 (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 887311 = 23070086 / (2 + 3 + 0 + 7 + 0 + 0 + 8 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23070083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443630 + ... + 443681.

It is an arithmetic number, because the mean of its divisors is an integer number (4658388).

Almost surely, 223070086 is an apocalyptic number.

23070086 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23070086 is a deficient number, since it is larger than the sum of its proper divisors (14197018).

23070086 is a wasteful number, since it uses less digits than its factorization.

23070086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887326.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 23070086 is about 4803.1329359076. The cubic root of 23070086 is about 284.6752677690.

The spelling of 23070086 in words is "twenty-three million, seventy thousand, eighty-six".

Divisors: 1 2 13 26 887311 1774622 11535043 23070086