Search a number
-
+
72852830 = 257285283
BaseRepresentation
bin1000101011110…
…10010101011110
312002002022021222
410111322111132
5122122242310
611121253342
71543144631
oct425722536
9162068258
1072852830
113813a456
1220494252
131212a1ab
149965c18
1565e1055
hex457a55e

72852830 has 8 divisors (see below), whose sum is σ = 131135112. Its totient is φ = 29141128.

The previous prime is 72852817. The next prime is 72852839. The reversal of 72852830 is 3825827.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72852839) 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, 3642632 + ... + 3642651.

It is an arithmetic number, because the mean of its divisors is an integer number (16391889).

Almost surely, 272852830 is an apocalyptic number.

72852830 is a deficient number, since it is larger than the sum of its proper divisors (58282282).

72852830 is a wasteful number, since it uses less digits than its factorization.

72852830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285290.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 72852830 is about 8535.3869273748. The cubic root of 72852830 is about 417.6528752783.

The spelling of 72852830 in words is "seventy-two million, eight hundred fifty-two thousand, eight hundred thirty".

Divisors: 1 2 5 10 7285283 14570566 36426415 72852830