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94638140 = 2254731907
BaseRepresentation
bin1011010010000…
…01000000111100
320121002010010022
411221001000330
5143211410030
613220231312
72226260642
oct551010074
9217063108
1094638140
114946a043
122783b538
13167b70cc
14c7d7192
158495de5
hex5a4103c

94638140 has 12 divisors (see below), whose sum is σ = 198740136. Its totient is φ = 37855248.

The previous prime is 94638113. The next prime is 94638157. The reversal of 94638140 is 4183649.

It is a self number, because there is not a number n which added to its sum of digits gives 94638140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2365934 + ... + 2365973.

It is an arithmetic number, because the mean of its divisors is an integer number (16561678).

Almost surely, 294638140 is an apocalyptic number.

It is an amenable number.

94638140 is an abundant number, since it is smaller than the sum of its proper divisors (104101996).

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

94638140 is a wasteful number, since it uses less digits than its factorization.

94638140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731916 (or 4731914 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 94638140 is about 9728.2136078522. The cubic root of 94638140 is about 455.7101818505.

The spelling of 94638140 in words is "ninety-four million, six hundred thirty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 4731907 9463814 18927628 23659535 47319070 94638140