Search a number
-
+
72227603 = 729212269
BaseRepresentation
bin1000100111000…
…01101100010011
312000220112122102
410103201230103
5121442240403
611100031015
71534632050
oct423415423
9160815572
1072227603
1137852738
122023246b
1311c6b736
149842027
15651ab88
hex44e1b13

72227603 has 12 divisors (see below), whose sum is σ = 85497360. Its totient is φ = 59769696.

The previous prime is 72227593. The next prime is 72227627. The reversal of 72227603 is 30672227.

It is not a de Polignac number, because 72227603 - 26 = 72227539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72227653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248 + ... + 12021.

It is an arithmetic number, because the mean of its divisors is an integer number (7124780).

Almost surely, 272227603 is an apocalyptic number.

72227603 is a deficient number, since it is larger than the sum of its proper divisors (13269757).

72227603 is a wasteful number, since it uses less digits than its factorization.

72227603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12334 (or 12305 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 72227603 is about 8498.6824272942. The cubic root of 72227603 is about 416.4546676915.

The spelling of 72227603 in words is "seventy-two million, two hundred twenty-seven thousand, six hundred three".

Divisors: 1 7 29 203 841 5887 12269 85883 355801 2490607 10318229 72227603