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73044253 = 377972477
BaseRepresentation
bin1000101101010…
…01000100011101
312002110000212201
410112221010131
5122144404003
611125331501
71544603002
oct426510435
9162400781
1073044253
1138260257
1220566b91
1312196369
1499b58a9
15662cb1d
hex45a911d

73044253 has 8 divisors (see below), whose sum is σ = 75142872. Its totient is φ = 70952256.

The previous prime is 73044241. The next prime is 73044289. The reversal of 73044253 is 35244037.

It can be written as a sum of positive squares in 4 ways, for example, as 24226084 + 48818169 = 4922^2 + 6987^2 .

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 73044253 - 29 = 73043741 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 (73044353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28251 + ... + 30727.

It is an arithmetic number, because the mean of its divisors is an integer number (9392859).

Almost surely, 273044253 is an apocalyptic number.

It is an amenable number.

73044253 is a deficient number, since it is larger than the sum of its proper divisors (2098619).

73044253 is a wasteful number, since it uses less digits than its factorization.

73044253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 73044253 is about 8546.5930639056. The cubic root of 73044253 is about 418.0183538563.

The spelling of 73044253 in words is "seventy-three million, forty-four thousand, two hundred fifty-three".

Divisors: 1 37 797 2477 29489 91649 1974169 73044253