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36144442 = 2172110501
BaseRepresentation
bin1000100111100…
…0010100111010
32112000022212001
42021320110322
533223110232
63330411214
7616136245
oct211702472
975008761
1036144442
1119447944
1210130b0a
137646959
144b2c25c
15328e6e7
hex227853a

36144442 has 8 divisors (see below), whose sum is σ = 54253332. Its totient is φ = 18060000.

The previous prime is 36144439. The next prime is 36144443. The reversal of 36144442 is 24444163.

It can be written as a sum of positive squares in 2 ways, for example, as 36132121 + 12321 = 6011^2 + 111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 36144442.

It is not an unprimeable number, because it can be changed into a prime (36144443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1809 + ... + 8692.

Almost surely, 236144442 is an apocalyptic number.

36144442 is a deficient number, since it is larger than the sum of its proper divisors (18108890).

36144442 is a wasteful number, since it uses less digits than its factorization.

36144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12224.

The product of its digits is 9216, while the sum is 28.

The square root of 36144442 is about 6012.0247837147. The cubic root of 36144442 is about 330.6337438949.

The spelling of 36144442 in words is "thirty-six million, one hundred forty-four thousand, four hundred forty-two".

Divisors: 1 2 1721 3442 10501 21002 18072221 36144442