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80496144 = 2432559001
BaseRepresentation
bin1001100110001…
…00011000010000
312121110121221200
410303010120100
5131101334034
611553151200
71665130431
oct463043020
9177417850
1080496144
114148aa43
1222b5b500
13138a5171
14a995488
157100a99
hex4cc4610

80496144 has 30 divisors (see below), whose sum is σ = 225277806. Its totient is φ = 26832000.

The previous prime is 80496107. The next prime is 80496167. The reversal of 80496144 is 44169408.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 70761744 + 9734400 = 8412^2 + 3120^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80496099 and 80496108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 279357 + ... + 279644.

Almost surely, 280496144 is an apocalyptic number.

It is an amenable number.

80496144 is an abundant number, since it is smaller than the sum of its proper divisors (144781662).

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

80496144 is a wasteful number, since it uses less digits than its factorization.

80496144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559015 (or 559006 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 80496144 is about 8971.9643334111. The cubic root of 80496144 is about 431.7758610941.

The spelling of 80496144 in words is "eighty million, four hundred ninety-six thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 559001 1118002 1677003 2236004 3354006 4472008 5031009 6708012 8944016 10062018 13416024 20124036 26832048 40248072 80496144