Search a number
-
+
72831246 = 2312138541
BaseRepresentation
bin1000101011101…
…01000100001110
312002001012200120
410111311010032
5122121044441
611121005410
71543024665
oct425650416
9162035616
1072831246
1138125214
1220483866
1312120417
14995bddc
1565d9966
hex457510e

72831246 has 8 divisors (see below), whose sum is σ = 145662504. Its totient is φ = 24277080.

The previous prime is 72831233. The next prime is 72831251. The reversal of 72831246 is 64213827.

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

72831246 is an admirable number.

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, 6069265 + ... + 6069276.

It is an arithmetic number, because the mean of its divisors is an integer number (18207813).

Almost surely, 272831246 is an apocalyptic number.

72831246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72831246 is a wasteful number, since it uses less digits than its factorization.

72831246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12138546.

The product of its digits is 16128, while the sum is 33.

The square root of 72831246 is about 8534.1224504925. The cubic root of 72831246 is about 417.6116254048.

The spelling of 72831246 in words is "seventy-two million, eight hundred thirty-one thousand, two hundred forty-six".

Divisors: 1 2 3 6 12138541 24277082 36415623 72831246