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36072144 = 2432250501
BaseRepresentation
bin1000100110011…
…0101011010000
32111212122200100
42021212223100
533213302034
63325052400
7615415413
oct211465320
974778610
1036072144
11193a8599
12100b7100
13761ca84
144b0db7a
153278099
hex2266ad0

36072144 has 30 divisors (see below), whose sum is σ = 100952306. Its totient is φ = 12024000.

The previous prime is 36072137. The next prime is 36072173. The reversal of 36072144 is 44127063.

It can be written as a sum of positive squares in only one way, i.e., 35283600 + 788544 = 5940^2 + 888^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 125107 + ... + 125394.

Almost surely, 236072144 is an apocalyptic number.

It is an amenable number.

36072144 is an abundant number, since it is smaller than the sum of its proper divisors (64880162).

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

36072144 is a wasteful number, since it uses less digits than its factorization.

36072144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250515 (or 250506 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 36072144 is about 6006.0089910023. The cubic root of 36072144 is about 330.4131464536.

The spelling of 36072144 in words is "thirty-six million, seventy-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 250501 501002 751503 1002004 1503006 2004008 2254509 3006012 4008016 4509018 6012024 9018036 12024048 18036072 36072144