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23326020 = 22325129589
BaseRepresentation
bin101100011111…
…0110101000100
31121220002021200
41120332311010
521432413040
62151542500
7402160614
oct130766504
947802250
1023326020
1112192203
12798aa30
134aa92a3
143152a44
1520ab630
hex163ed44

23326020 has 36 divisors (see below), whose sum is σ = 70756140. Its totient is φ = 6220224.

The previous prime is 23326019. The next prime is 23326049. The reversal of 23326020 is 2062332.

It can be written as a sum of positive squares in 2 ways, for example, as 6874884 + 16451136 = 2622^2 + 4056^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23325984 and 23326002.

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 11 ways as a sum of consecutive naturals, for example, 64615 + ... + 64974.

Almost surely, 223326020 is an apocalyptic number.

23326020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23326020 is an abundant number, since it is smaller than the sum of its proper divisors (47430120).

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

23326020 is a wasteful number, since it uses less digits than its factorization.

23326020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129604 (or 129599 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23326020 is about 4829.7018541521. The cubic root of 23326020 is about 285.7241051387.

Adding to 23326020 its reverse (2062332), we get a palindrome (25388352).

The spelling of 23326020 in words is "twenty-three million, three hundred twenty-six thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 129589 259178 388767 518356 647945 777534 1166301 1295890 1555068 1943835 2332602 2591780 3887670 4665204 5831505 7775340 11663010 23326020