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23071470 = 235898641
BaseRepresentation
bin101100000000…
…0101011101110
31121102011002220
41120000223232
521401241340
62142300210
7400050522
oct130005356
947364086
1023071470
1112028a34
127887666
134a1a476
1430c7d82
15205aed0
hex1600aee

23071470 has 32 divisors (see below), whose sum is σ = 56000160. Its totient is φ = 6082560.

The previous prime is 23071469. The next prime is 23071511. The reversal of 23071470 is 7417032.

It is a self number, because there is not a number n which added to its sum of digits gives 23071470.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1651 + ... + 6990.

It is an arithmetic number, because the mean of its divisors is an integer number (1750005).

Almost surely, 223071470 is an apocalyptic number.

23071470 is an abundant number, since it is smaller than the sum of its proper divisors (32928690).

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

23071470 is a wasteful number, since it uses less digits than its factorization.

23071470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 23071470 is about 4803.2770063780. The cubic root of 23071470 is about 284.6809603167.

The spelling of 23071470 in words is "twenty-three million, seventy-one thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 89 178 267 445 534 890 1335 2670 8641 17282 25923 43205 51846 86410 129615 259230 769049 1538098 2307147 3845245 4614294 7690490 11535735 23071470