Search a number
-
+
7481504990 = 25748150499
BaseRepresentation
bin1101111011110111…
…01011010011011110
3201022101202211110102
412331323223103132
5110310231124430
63234214341102
7353253512621
oct67573532336
921271684412
107481504990
11319a129483
12154965a792
13922cb393b
1450d899db8
152dbc2c345
hex1bdeeb4de

7481504990 has 8 divisors (see below), whose sum is σ = 13466709000. Its totient is φ = 2992601992.

The previous prime is 7481504983. The next prime is 7481505011. The reversal of 7481504990 is 994051847.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374075240 + ... + 374075259.

It is an arithmetic number, because the mean of its divisors is an integer number (1683338625).

Almost surely, 27481504990 is an apocalyptic number.

7481504990 is a deficient number, since it is larger than the sum of its proper divisors (5985204010).

7481504990 is a wasteful number, since it uses less digits than its factorization.

7481504990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748150506.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 7481504990 is about 86495.6934766119. The cubic root of 7481504990 is about 1955.8234846908.

The spelling of 7481504990 in words is "seven billion, four hundred eighty-one million, five hundred four thousand, nine hundred ninety".

Divisors: 1 2 5 10 748150499 1496300998 3740752495 7481504990