Search a number
-
+
72930590 = 257293059
BaseRepresentation
bin1000101100011…
…01010100011110
312002020020221222
410112031110132
5122132234330
611123053342
71543620425
oct426152436
9162206858
1072930590
1138192917
1220511252
13121566c5
1499862bc
1566090e5
hex458d51e

72930590 has 8 divisors (see below), whose sum is σ = 131275080. Its totient is φ = 29172232.

The previous prime is 72930553. The next prime is 72930617. The reversal of 72930590 is 9503927.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72930590.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3646520 + ... + 3646539.

It is an arithmetic number, because the mean of its divisors is an integer number (16409385).

Almost surely, 272930590 is an apocalyptic number.

72930590 is a deficient number, since it is larger than the sum of its proper divisors (58344490).

72930590 is a wasteful number, since it uses less digits than its factorization.

72930590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293066.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 72930590 is about 8539.9408663058. The cubic root of 72930590 is about 417.8014173902.

The spelling of 72930590 in words is "seventy-two million, nine hundred thirty thousand, five hundred ninety".

Divisors: 1 2 5 10 7293059 14586118 36465295 72930590