Search a number
-
+
72916593 = 339761223
BaseRepresentation
bin1000101100010…
…01111001110001
312002012112202120
410112021321301
5122131312333
611122504453
71543531551
oct426117161
9162175676
1072916593
1138183352
1220505129
1312150219
149981161
156604db3
hex4589e71

72916593 has 8 divisors (see below), whose sum is σ = 97468608. Its totient is φ = 48487824.

The previous prime is 72916537. The next prime is 72916607. The reversal of 72916593 is 39561927.

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

It is not a de Polignac number, because 72916593 - 217 = 72785521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72916513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29421 + ... + 31802.

It is an arithmetic number, because the mean of its divisors is an integer number (12183576).

Almost surely, 272916593 is an apocalyptic number.

It is an amenable number.

72916593 is a deficient number, since it is larger than the sum of its proper divisors (24552015).

72916593 is a wasteful number, since it uses less digits than its factorization.

72916593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61623.

The product of its digits is 102060, while the sum is 42.

The square root of 72916593 is about 8539.1213248203. The cubic root of 72916593 is about 417.7746872230.

The spelling of 72916593 in words is "seventy-two million, nine hundred sixteen thousand, five hundred ninety-three".

Divisors: 1 3 397 1191 61223 183669 24305531 72916593