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72830103 = 324276701
BaseRepresentation
bin1000101011101…
…00110010010111
312002001011010020
410111310302113
5122121030403
611121000223
71543021443
oct425646227
9162034106
1072830103
1138124375
1220483073
131211ca48
14995b823
1565d9453
hex4574c97

72830103 has 4 divisors (see below), whose sum is σ = 97106808. Its totient is φ = 48553400.

The previous prime is 72830101. The next prime is 72830111. The reversal of 72830103 is 30103827.

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 72830103 - 21 = 72830101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72830101) 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, 12138348 + ... + 12138353.

It is an arithmetic number, because the mean of its divisors is an integer number (24276702).

Almost surely, 272830103 is an apocalyptic number.

72830103 is a deficient number, since it is larger than the sum of its proper divisors (24276705).

72830103 is a wasteful number, since it uses less digits than its factorization.

72830103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24276704.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 72830103 is about 8534.0554837662. The cubic root of 72830103 is about 417.6094407537.

The spelling of 72830103 in words is "seventy-two million, eight hundred thirty thousand, one hundred three".

Divisors: 1 3 24276701 72830103