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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".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 79 81 108 158 162 179 216 237 243 316 324 358 474 486 537 632 648 711 716 948 972 1074 1422 1432 1611 1896 1944 2133 2148 2844 3222 4266 4296 4833 5688 6399 6444 8532 9666 12798 12888 14141 14499 17064 19197 19332 25596 28282 28998 38394 38664 42423 43497 51192 56564 57996 76788 84846 86994 113128 115992 127269 153576 169692 173988 254538 339384 347976 381807 509076 763614 1018152 1145421 1527228 2290842 3054456 3436263 4581684 6872526 9163368 13745052 27490104