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4030138 = 27287867
BaseRepresentation
bin1111010111111010111010
321120202022101
433113322322
52012431023
6222214014
746153450
oct17277272
97522271
104030138
1123029a2
12142430a
13ab14c8
1476c9d0
155491ad
hex3d7eba

4030138 has 8 divisors (see below), whose sum is σ = 6908832. Its totient is φ = 1727196.

The previous prime is 4030133. The next prime is 4030141. The reversal of 4030138 is 8310304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4030133) 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, 143920 + ... + 143947.

It is an arithmetic number, because the mean of its divisors is an integer number (863604).

Almost surely, 24030138 is an apocalyptic number.

4030138 is a deficient number, since it is larger than the sum of its proper divisors (2878694).

4030138 is a wasteful number, since it uses less digits than its factorization.

4030138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287876.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4030138 is about 2007.5203610424. The cubic root of 4030138 is about 159.1377838670.

The spelling of 4030138 in words is "four million, thirty thousand, one hundred thirty-eight".

Divisors: 1 2 7 14 287867 575734 2015069 4030138