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23874140 = 2251193707
BaseRepresentation
bin101101100010…
…0101001011100
31122220221011102
41123010221130
522102433030
62211412232
7406632623
oct133045134
948827142
1023874140
1112526aa4
127bb4078
134c3b914
1432566ba
152168c45
hex16c4a5c

23874140 has 12 divisors (see below), whose sum is σ = 50135736. Its totient is φ = 9549648.

The previous prime is 23874133. The next prime is 23874143. The reversal of 23874140 is 4147832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23874143) 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, 596834 + ... + 596873.

It is an arithmetic number, because the mean of its divisors is an integer number (4177978).

Almost surely, 223874140 is an apocalyptic number.

23874140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23874140 is an abundant number, since it is smaller than the sum of its proper divisors (26261596).

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

23874140 is a wasteful number, since it uses less digits than its factorization.

23874140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193716 (or 1193714 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 23874140 is about 4886.1170677748. The cubic root of 23874140 is about 287.9448035939.

The spelling of 23874140 in words is "twenty-three million, eight hundred seventy-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1193707 2387414 4774828 5968535 11937070 23874140