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23472838 = 225745667
BaseRepresentation
bin101100110001…
…0101011000110
31122011112200101
41121202223012
522002112323
62155034314
7403341634
oct131425306
948145611
1023472838
1112282544
127a3b99a
134b2b06c
143190354
1520d9dad
hex1662ac6

23472838 has 8 divisors (see below), whose sum is σ = 35347032. Its totient is φ = 11690496.

The previous prime is 23472833. The next prime is 23472851. The reversal of 23472838 is 83827432.

It is a happy number.

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

It is a super-3 number, since 3×234728383 (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23472797 and 23472806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23472833) 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, 22320 + ... + 23347.

It is an arithmetic number, because the mean of its divisors is an integer number (4418379).

Almost surely, 223472838 is an apocalyptic number.

23472838 is a deficient number, since it is larger than the sum of its proper divisors (11874194).

23472838 is a wasteful number, since it uses less digits than its factorization.

23472838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45926.

The product of its digits is 64512, while the sum is 37.

The square root of 23472838 is about 4844.8775010314. The cubic root of 23472838 is about 286.3223174326.

It can be divided in two parts, 23472 and 838, that added together give a triangular number (24310 = T220).

The spelling of 23472838 in words is "twenty-three million, four hundred seventy-two thousand, eight hundred thirty-eight".

Divisors: 1 2 257 514 45667 91334 11736419 23472838