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72028095 = 354801873
BaseRepresentation
bin1000100101100…
…00111110111111
312000112101222020
410102300332333
5121414344340
611051451223
71533141306
oct422607677
9160471866
1072028095
1137726857
1220156b13
1311bcb999
1497cd43d
1564cb9d0
hex44b0fbf

72028095 has 8 divisors (see below), whose sum is σ = 115244976. Its totient is φ = 38414976.

The previous prime is 72028093. The next prime is 72028153. The reversal of 72028095 is 59082027.

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

It is not a de Polignac number, because 72028095 - 21 = 72028093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72028093) 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, 2400922 + ... + 2400951.

It is an arithmetic number, because the mean of its divisors is an integer number (14405622).

Almost surely, 272028095 is an apocalyptic number.

72028095 is a deficient number, since it is larger than the sum of its proper divisors (43216881).

72028095 is a wasteful number, since it uses less digits than its factorization.

72028095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801881.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 72028095 is about 8486.9367265227. The cubic root of 72028095 is about 416.0708686432.

The spelling of 72028095 in words is "seventy-two million, twenty-eight thousand, ninety-five".

Divisors: 1 3 5 15 4801873 14405619 24009365 72028095