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27490104 = 233579179
BaseRepresentation
bin110100011011…
…1011100111000
31220201122100000
41220313130320
524014140404
62421113000
7452443035
oct150673470
956648300
1027490104
11145767a4
129258760
135906745
14391838c
152630339
hex1a37738

27490104 has 96 divisors (see below), whose sum is σ = 78624000. Its totient is φ = 8996832.

The previous prime is 27490063. The next prime is 27490109. The reversal of 27490104 is 40109472.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27490109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153487 + ... + 153665.

It is an arithmetic number, because the mean of its divisors is an integer number (819000).

Almost surely, 227490104 is an apocalyptic number.

27490104 is a gapful number since it is divisible by the number (24) 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 27490104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39312000).

27490104 is an abundant number, since it is smaller than the sum of its proper divisors (51133896).

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

27490104 is a wasteful number, since it uses less digits than its factorization.

27490104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 27490104 is about 5243.1006093723. The cubic root of 27490104 is about 301.8043262663.

Adding to 27490104 its reverse (40109472), we get a palindrome (67599576).

The spelling of 27490104 in words is "twenty-seven million, four hundred ninety thousand, one hundred four".