Search a number
-
+
72026572 = 2218006643
BaseRepresentation
bin1000100101100…
…00100111001100
312000112022212211
410102300213030
5121414322242
611051440204
71533134002
oct422604714
9160468784
1072026572
11377256a2
1220156064
1311bcb097
1497cca72
1564cb317
hex44b09cc

72026572 has 6 divisors (see below), whose sum is σ = 126046508. Its totient is φ = 36013284.

The previous prime is 72026567. The next prime is 72026573. The reversal of 72026572 is 27562027.

It is not an unprimeable number, because it can be changed into a prime (72026573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9003318 + ... + 9003325.

Almost surely, 272026572 is an apocalyptic number.

It is an amenable number.

72026572 is a deficient number, since it is larger than the sum of its proper divisors (54019936).

72026572 is a wasteful number, since it uses less digits than its factorization.

72026572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18006647 (or 18006645 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 72026572 is about 8486.8469999170. The cubic root of 72026572 is about 416.0679360819.

Adding to 72026572 its reverse (27562027), we get a palindrome (99588599).

The spelling of 72026572 in words is "seventy-two million, twenty-six thousand, five hundred seventy-two".

Divisors: 1 2 4 18006643 36013286 72026572