Search a number
-
+
72404106 = 2312067351
BaseRepresentation
bin1000101000011…
…00110010001010
312001020111202120
410110030302022
5122013412411
611103512110
71536265455
oct424146212
9161214676
1072404106
1137963305
12202b8636
1312000b88
14988a49c
156553106
hex450cc8a

72404106 has 8 divisors (see below), whose sum is σ = 144808224. Its totient is φ = 24134700.

The previous prime is 72404083. The next prime is 72404107. The reversal of 72404106 is 60140427.

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

72404106 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (72404107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6033670 + ... + 6033681.

It is an arithmetic number, because the mean of its divisors is an integer number (18101028).

Almost surely, 272404106 is an apocalyptic number.

72404106 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.

72404106 is a wasteful number, since it uses less digits than its factorization.

72404106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12067356.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 72404106 is about 8509.0602301312. The cubic root of 72404106 is about 416.7936226111.

The spelling of 72404106 in words is "seventy-two million, four hundred four thousand, one hundred six".

Divisors: 1 2 3 6 12067351 24134702 36202053 72404106