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23032238 = 228340693
BaseRepresentation
bin101011111011…
…1000110101110
31121100011021212
41113313012232
521344012423
62141354422
7366525245
oct127670656
947304255
1023032238
1112001509
127868a12
134a05658
1430b795c
15204e578
hex15f71ae

23032238 has 8 divisors (see below), whose sum is σ = 34671288. Its totient is φ = 11475144.

The previous prime is 23032231. The next prime is 23032253. The reversal of 23032238 is 83223032.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23032231) 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, 19781 + ... + 20912.

It is an arithmetic number, because the mean of its divisors is an integer number (4333911).

Almost surely, 223032238 is an apocalyptic number.

23032238 is a deficient number, since it is larger than the sum of its proper divisors (11639050).

23032238 is a wasteful number, since it uses less digits than its factorization.

23032238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40978.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 23032238 is about 4799.1913902240. The cubic root of 23032238 is about 284.5195063652.

The spelling of 23032238 in words is "twenty-three million, thirty-two thousand, two hundred thirty-eight".

Divisors: 1 2 283 566 40693 81386 11516119 23032238