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80009272 = 2372362119
BaseRepresentation
bin1001100010011…
…01100000111000
312120112220002101
410301031200320
5130440244042
611534513144
71661032120
oct461154070
9176486071
1080009272
1141188172
12229657b4
1313764685
14a8a9c80
1570566b7
hex4c4d838

80009272 has 32 divisors (see below), whose sum is σ = 178905600. Its totient is φ = 32798304.

The previous prime is 80009263. The next prime is 80009299. The reversal of 80009272 is 27290008.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 80009272.

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 7 ways as a sum of consecutive naturals, for example, 29772 + ... + 32347.

It is an arithmetic number, because the mean of its divisors is an integer number (5590800).

Almost surely, 280009272 is an apocalyptic number.

It is an amenable number.

80009272 is an abundant number, since it is smaller than the sum of its proper divisors (98896328).

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

80009272 is a wasteful number, since it uses less digits than its factorization.

80009272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62155 (or 62151 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 80009272 is about 8944.7902155389. The cubic root of 80009272 is about 430.9035839620.

The spelling of 80009272 in words is "eighty million, nine thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 62119 124238 248476 434833 496952 869666 1428737 1739332 2857474 3478664 5714948 10001159 11429896 20002318 40004636 80009272