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23447034 = 23213971033
BaseRepresentation
bin101100101110…
…0010111111010
31122010020021200
41121130113322
522000301114
62154315030
7403203462
oct131342772
948106250
1023447034
1112265116
127a28a76
134b1c3b0
143184ba2
1520d2409
hex165c5fa

23447034 has 48 divisors (see below), whose sum is σ = 55327272. Its totient is φ = 7133184.

The previous prime is 23447033. The next prime is 23447059. The reversal of 23447034 is 43074432.

It can be written as a sum of positive squares in 4 ways, for example, as 21206025 + 2241009 = 4605^2 + 1497^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23446989 and 23447007.

It is not an unprimeable number, because it can be changed into a prime (23447033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22182 + ... + 23214.

Almost surely, 223447034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23447034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27663636).

23447034 is an abundant number, since it is smaller than the sum of its proper divisors (31880238).

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

23447034 is a wasteful number, since it uses less digits than its factorization.

23447034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 23447034 is about 4842.2137499288. The cubic root of 23447034 is about 286.2173596644.

The spelling of 23447034 in words is "twenty-three million, four hundred forty-seven thousand, thirty-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 97 117 194 234 291 582 873 1033 1261 1746 2066 2522 3099 3783 6198 7566 9297 11349 13429 18594 22698 26858 40287 80574 100201 120861 200402 241722 300603 601206 901809 1302613 1803618 2605226 3907839 7815678 11723517 23447034