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7490481 = 32496827
BaseRepresentation
bin11100100100101110110001
3112002120000020
4130210232301
53404143411
6424314053
7120445065
oct34445661
915076006
107490481
114256789
122612929
13172354b
14dcdaa5
159ce606
hex724bb1

7490481 has 4 divisors (see below), whose sum is σ = 9987312. Its totient is φ = 4993652.

The previous prime is 7490459. The next prime is 7490491. The reversal of 7490481 is 1840947.

7490481 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7490481 - 210 = 7489457 is a prime.

It is a super-2 number, since 2×74904812 = 112214611222722, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7490401) 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, 1248411 + ... + 1248416.

It is an arithmetic number, because the mean of its divisors is an integer number (2496828).

Almost surely, 27490481 is an apocalyptic number.

It is an amenable number.

7490481 is a deficient number, since it is larger than the sum of its proper divisors (2496831).

7490481 is a wasteful number, since it uses less digits than its factorization.

7490481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496830.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 7490481 is about 2736.8743120575. The cubic root of 7490481 is about 195.6605344983.

The spelling of 7490481 in words is "seven million, four hundred ninety thousand, four hundred eighty-one".

Divisors: 1 3 2496827 7490481