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7272489 = 37346309
BaseRepresentation
bin11011101111100000101001
3111200110222110
4123233200221
53330204424
6415512533
7115546410
oct33574051
914613873
107272489
114117a24
122528749
131678263
14d74477
15989c29
hex6ef829

7272489 has 8 divisors (see below), whose sum is σ = 11081920. Its totient is φ = 4155696.

The previous prime is 7272449. The next prime is 7272491. The reversal of 7272489 is 9842727.

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

It is not a de Polignac number, because 7272489 - 27 = 7272361 is a prime.

It is a d-powerful number, because it can be written as 76 + 215 + 77 + 221 + 411 + 83 + 94 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7272409) 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, 173134 + ... + 173175.

It is an arithmetic number, because the mean of its divisors is an integer number (1385240).

Almost surely, 27272489 is an apocalyptic number.

It is an amenable number.

7272489 is a deficient number, since it is larger than the sum of its proper divisors (3809431).

7272489 is a wasteful number, since it uses less digits than its factorization.

7272489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346319.

The product of its digits is 56448, while the sum is 39.

The square root of 7272489 is about 2696.7552725451. The cubic root of 7272489 is about 193.7437453409.

The spelling of 7272489 in words is "seven million, two hundred seventy-two thousand, four hundred eighty-nine".

Divisors: 1 3 7 21 346309 1038927 2424163 7272489