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23366420 = 22571115173
BaseRepresentation
bin101100100100…
…0101100010100
31121222010200222
41121020230110
521440211140
62152453512
7402416450
oct131105424
947863628
1023366420
111220a5a0
1279aa298
134ac17ac
143163660
1520b85b5
hex1648b14

23366420 has 48 divisors (see below), whose sum is σ = 61181568. Its totient is φ = 7282560.

The previous prime is 23366411. The next prime is 23366423. The reversal of 23366420 is 2466332.

It is a self number, because there is not a number n which added to its sum of digits gives 23366420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23366423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6047 + ... + 9126.

It is an arithmetic number, because the mean of its divisors is an integer number (1274616).

Almost surely, 223366420 is an apocalyptic number.

23366420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23366420 is an abundant number, since it is smaller than the sum of its proper divisors (37815148).

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

23366420 is a wasteful number, since it uses less digits than its factorization.

23366420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15200 (or 15198 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 23366420 is about 4833.8824975376. The cubic root of 23366420 is about 285.8889653257. Note that the first 3 decimals are identical.

The spelling of 23366420 in words is "twenty-three million, three hundred sixty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 15173 30346 60692 75865 106211 151730 166903 212422 303460 333806 424844 531055 667612 834515 1062110 1168321 1669030 2124220 2336642 3338060 4673284 5841605 11683210 23366420