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72204119 = 135554163
BaseRepresentation
bin1000100110110…
…11111101010111
312000212100102122
410103123331113
5121441012434
611055330155
71534503431
oct423337527
9160770378
1072204119
1137837029
122022095b
1311c60b40
149837651
156513c2e
hex44dbf57

72204119 has 4 divisors (see below), whose sum is σ = 77758296. Its totient is φ = 66649944.

The previous prime is 72204109. The next prime is 72204149. The reversal of 72204119 is 91140227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72204119 - 24 = 72204103 is a prime.

It is a super-2 number, since 2×722041192 = 10426869601132322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72204109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777069 + ... + 2777094.

It is an arithmetic number, because the mean of its divisors is an integer number (19439574).

Almost surely, 272204119 is an apocalyptic number.

72204119 is a deficient number, since it is larger than the sum of its proper divisors (5554177).

72204119 is a wasteful number, since it uses less digits than its factorization.

72204119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554176.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 72204119 is about 8497.3006890424. The cubic root of 72204119 is about 416.4095276012.

The spelling of 72204119 in words is "seventy-two million, two hundred four thousand, one hundred nineteen".

Divisors: 1 13 5554163 72204119