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23078450 = 252461569
BaseRepresentation
bin101100000001…
…0011000110010
31121102111200102
41120002120302
521402002300
62142352402
7400110053
oct130023062
947374612
1023078450
11120331aa
12788b702
134a206b5
1430ca72a
15205d0d5
hex1602632

23078450 has 12 divisors (see below), whose sum is σ = 42926010. Its totient is φ = 9231360.

The previous prime is 23078441. The next prime is 23078527. The reversal of 23078450 is 5487032.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 15912121 + 7166329 = 3989^2 + 2677^2 .

It is a super-2 number, since 2×230784502 = 1065229708805000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230735 + ... + 230834.

Almost surely, 223078450 is an apocalyptic number.

23078450 is a deficient number, since it is larger than the sum of its proper divisors (19847560).

23078450 is a wasteful number, since it uses less digits than its factorization.

23078450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461581 (or 461576 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 23078450 is about 4804.0035387164. The cubic root of 23078450 is about 284.7096663730.

The spelling of 23078450 in words is "twenty-three million, seventy-eight thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 461569 923138 2307845 4615690 11539225 23078450