Search a number
-
+
72065103 = 3112183791
BaseRepresentation
bin1000100101110…
…10000001001111
312000121021201220
410102322001033
5121422040403
611052334423
71533354225
oct422720117
9160537656
1072065103
1137751640
1220174413
1311c12796
1497dcb15
1564d7953
hex44ba04f

72065103 has 8 divisors (see below), whose sum is σ = 104822016. Its totient is φ = 43675800.

The previous prime is 72065099. The next prime is 72065117. The reversal of 72065103 is 30156027.

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

It is not a de Polignac number, because 72065103 - 22 = 72065099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72065153) 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, 1091863 + ... + 1091928.

It is an arithmetic number, because the mean of its divisors is an integer number (13102752).

Almost surely, 272065103 is an apocalyptic number.

72065103 is a deficient number, since it is larger than the sum of its proper divisors (32756913).

72065103 is a wasteful number, since it uses less digits than its factorization.

72065103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183805.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 72065103 is about 8489.1167385070. The cubic root of 72065103 is about 416.1421154453.

The spelling of 72065103 in words is "seventy-two million, sixty-five thousand, one hundred three".

Divisors: 1 3 11 33 2183791 6551373 24021701 72065103