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27490430 = 2511833011
BaseRepresentation
bin110100011011…
…1100001111110
31220201122210002
41220313201332
524014143210
62421114302
7452444012
oct150674176
956648702
1027490430
1114576a70
129258992
135906936
143918542
1526304a5
hex1a3787e

27490430 has 32 divisors (see below), whose sum is σ = 54649728. Its totient is φ = 9872800.

The previous prime is 27490429. The next prime is 27490433. The reversal of 27490430 is 3409472.

It is a super-3 number, since 3×274904303 (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27490393 and 27490402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27490433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7625 + ... + 10635.

It is an arithmetic number, because the mean of its divisors is an integer number (1707804).

Almost surely, 227490430 is an apocalyptic number.

27490430 is a deficient number, since it is larger than the sum of its proper divisors (27159298).

27490430 is a wasteful number, since it uses less digits than its factorization.

27490430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 27490430 is about 5243.1316977547. The cubic root of 27490430 is about 301.8055192753.

The spelling of 27490430 in words is "twenty-seven million, four hundred ninety thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 83 110 166 415 830 913 1826 3011 4565 6022 9130 15055 30110 33121 66242 165605 249913 331210 499826 1249565 2499130 2749043 5498086 13745215 27490430