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23069340 = 22335717359
BaseRepresentation
bin101100000000…
…0001010011100
31121102001012000
41120000022130
521401204330
62142242300
7400041360
oct130001234
947361160
1023069340
1112027378
127886390
134a194c8
1430c72a0
15205a560
hex160029c

23069340 has 192 divisors, whose sum is σ = 87091200. Its totient is φ = 4948992.

The previous prime is 23069317. The next prime is 23069353. The reversal of 23069340 is 4396032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64081 + ... + 64439.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 223069340 is an apocalyptic number.

23069340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23069340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43545600).

23069340 is an abundant number, since it is smaller than the sum of its proper divisors (64021860).

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

23069340 is a wasteful number, since it uses less digits than its factorization.

23069340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 23069340 is about 4803.0552776332. The cubic root of 23069340 is about 284.6721992927.

It can be divided in two parts, 23069 and 340, that added together give a square (23409 = 1532).

The spelling of 23069340 in words is "twenty-three million, sixty-nine thousand, three hundred forty".