Search a number
-
+
72087854 = 2172120231
BaseRepresentation
bin1000100101111…
…11100100101110
312000122102221112
410102333210232
5121423302404
611053032022
71533510446
oct422774456
9160572845
1072087854
1137767743
1220185612
1311c1cc47
149807126
1564de56e
hex44bf92e

72087854 has 8 divisors (see below), whose sum is σ = 114492528. Its totient is φ = 33923680.

The previous prime is 72087833. The next prime is 72087863. The reversal of 72087854 is 45878027.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060082 + ... + 1060149.

It is an arithmetic number, because the mean of its divisors is an integer number (14311566).

Almost surely, 272087854 is an apocalyptic number.

72087854 is a deficient number, since it is larger than the sum of its proper divisors (42404674).

72087854 is a wasteful number, since it uses less digits than its factorization.

72087854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120250.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 72087854 is about 8490.4566426076. The cubic root of 72087854 is about 416.1859029501.

The spelling of 72087854 in words is "seventy-two million, eighty-seven thousand, eight hundred fifty-four".

Divisors: 1 2 17 34 2120231 4240462 36043927 72087854