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23423458 = 215774597
BaseRepresentation
bin101100101011…
…0100111100010
31122002000221111
41121112213202
521444022313
62154013534
7403044652
oct131264742
948060844
1023423458
1112249433
127a172aa
134b11746
14317a362
1520ca43d
hex16569e2

23423458 has 8 divisors (see below), whose sum is σ = 35359452. Its totient is φ = 11636976.

The previous prime is 23423443. The next prime is 23423461. The reversal of 23423458 is 85432432.

It can be written as a sum of positive squares in 2 ways, for example, as 22819729 + 603729 = 4777^2 + 777^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36985 + ... + 37612.

Almost surely, 223423458 is an apocalyptic number.

23423458 is a deficient number, since it is larger than the sum of its proper divisors (11935994).

23423458 is a wasteful number, since it uses less digits than its factorization.

23423458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74756.

The product of its digits is 23040, while the sum is 31.

The square root of 23423458 is about 4839.7787139496. The cubic root of 23423458 is about 286.1213969456.

The spelling of 23423458 in words is "twenty-three million, four hundred twenty-three thousand, four hundred fifty-eight".

Divisors: 1 2 157 314 74597 149194 11711729 23423458