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73047101 = 149490249
BaseRepresentation
bin1000101101010…
…01110000111101
312002110011210012
410112221300331
5122200001401
611125353005
71544614211
oct426516075
9162404705
1073047101
1138262406
1220568765
131219774a
1499b6941
15662d8bb
hex45a9c3d

73047101 has 4 divisors (see below), whose sum is σ = 73537500. Its totient is φ = 72556704.

The previous prime is 73047097. The next prime is 73047119. The reversal of 73047101 is 10174037.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38812900 + 34234201 = 6230^2 + 5851^2 .

It is a cyclic number.

It is not a de Polignac number, because 73047101 - 22 = 73047097 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 (73047301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244976 + ... + 245273.

It is an arithmetic number, because the mean of its divisors is an integer number (18384375).

Almost surely, 273047101 is an apocalyptic number.

It is an amenable number.

73047101 is a deficient number, since it is larger than the sum of its proper divisors (490399).

73047101 is a wasteful number, since it uses less digits than its factorization.

73047101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490398.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 73047101 is about 8546.7596783810. The cubic root of 73047101 is about 418.0237866396.

The spelling of 73047101 in words is "seventy-three million, forty-seven thousand, one hundred one".

Divisors: 1 149 490249 73047101