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27023472 = 24327171983
BaseRepresentation
bin110011100010…
…1100001110000
31212211221020100
41213011201300
523404222342
62403112400
7445460430
oct147054160
955757210
1027023472
1114288153
129072700
1357a2228
1438362c0
15258be4c
hex19c5870

27023472 has 240 divisors, whose sum is σ = 97493760. Its totient is φ = 6801408.

The previous prime is 27023467. The next prime is 27023473. The reversal of 27023472 is 27432072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27023473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325543 + ... + 325625.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

Almost surely, 227023472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27023472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48746880).

27023472 is an abundant number, since it is smaller than the sum of its proper divisors (70470288).

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

27023472 is a wasteful number, since it uses less digits than its factorization.

27023472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 27023472 is about 5198.4105263051. The cubic root of 27023472 is about 300.0869081541.

It can be divided in two parts, 27023 and 472, that added together give a triangular number (27495 = T234).

The spelling of 27023472 in words is "twenty-seven million, twenty-three thousand, four hundred seventy-two".