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27490060 = 22513234597
BaseRepresentation
bin110100011011…
…1011100001100
31220201122021101
41220313130030
524014140220
62421112444
7452442643
oct150673414
956648241
1027490060
1114576764
129258724
135906710
14391835a
15263030a
hex1a3770c

27490060 has 48 divisors (see below), whose sum is σ = 64886976. Its totient is φ = 9706752.

The previous prime is 27490027. The next prime is 27490063. The reversal of 27490060 is 6009472.

It is not an unprimeable number, because it can be changed into a prime (27490063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3682 + ... + 8278.

It is an arithmetic number, because the mean of its divisors is an integer number (1351812).

Almost surely, 227490060 is an apocalyptic number.

27490060 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 27490060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32443488).

27490060 is an abundant number, since it is smaller than the sum of its proper divisors (37396916).

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

27490060 is a wasteful number, since it uses less digits than its factorization.

27490060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642 (or 4640 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 27490060 is about 5243.0964133802. The cubic root of 27490060 is about 301.8041652460.

The spelling of 27490060 in words is "twenty-seven million, four hundred ninety thousand, sixty".

Divisors: 1 2 4 5 10 13 20 23 26 46 52 65 92 115 130 230 260 299 460 598 1196 1495 2990 4597 5980 9194 18388 22985 45970 59761 91940 105731 119522 211462 239044 298805 422924 528655 597610 1057310 1195220 1374503 2114620 2749006 5498012 6872515 13745030 27490060