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72944927 = 1110165657
BaseRepresentation
bin1000101100100…
…00110100011111
312002020222121222
410112100310133
5122133214202
611123243555
71544010266
oct426206437
9162228558
1072944927
11381a2670
12205195bb
13121600a3
14998b5dd
15660d4a2
hex4590d1f

72944927 has 8 divisors (see below), whose sum is σ = 80365392. Its totient is φ = 65656000.

The previous prime is 72944923. The next prime is 72944939.

72944927 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 72944927 - 22 = 72944923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72944923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31718 + ... + 33939.

It is an arithmetic number, because the mean of its divisors is an integer number (10045674).

Almost surely, 272944927 is an apocalyptic number.

72944927 is a deficient number, since it is larger than the sum of its proper divisors (7420465).

72944927 is a wasteful number, since it uses less digits than its factorization.

72944927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65769.

The product of its digits is 254016, while the sum is 44.

The square root of 72944927 is about 8540.7802336789. The cubic root of 72944927 is about 417.8287933123.

It can be divided in two parts, 7294 and 4927, that added together give a palindrome (12221).

The spelling of 72944927 in words is "seventy-two million, nine hundred forty-four thousand, nine hundred twenty-seven".

Divisors: 1 11 101 1111 65657 722227 6631357 72944927