[go: up one dir, main page]

Search a number
-
+
72824248 = 2371300433
BaseRepresentation
bin1000101011100…
…11010110111000
312002000212002101
410111303112320
5122120333443
611120513144
71542665410
oct425632670
9162025071
1072824248
113811aa32
122047b7b4
131211a193
149959640
1565d784d
hex45735b8

72824248 has 16 divisors (see below), whose sum is σ = 156052080. Its totient is φ = 31210368.

The previous prime is 72824221. The next prime is 72824261. The reversal of 72824248 is 84242827.

It is a nude number because it is divisible by every one of its digits.

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, 650161 + ... + 650272.

It is an arithmetic number, because the mean of its divisors is an integer number (9753255).

Almost surely, 272824248 is an apocalyptic number.

It is an amenable number.

72824248 is an abundant number, since it is smaller than the sum of its proper divisors (83227832).

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

72824248 is a wasteful number, since it uses less digits than its factorization.

72824248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300446 (or 1300442 counting only the distinct ones).

The product of its digits is 57344, while the sum is 37.

The square root of 72824248 is about 8533.7124394955. The cubic root of 72824248 is about 417.5982495535.

It can be divided in two parts, 728 and 24248, that added together give a triangular number (24976 = T223).

The spelling of 72824248 in words is "seventy-two million, eight hundred twenty-four thousand, two hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 1300433 2600866 5201732 9103031 10403464 18206062 36412124 72824248