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4911145 = 52274327
BaseRepresentation
bin10010101111000000101001
3100020111211021
4102233000221
52224124040
6253132441
756513131
oct22570051
910214737
104911145
1128548a8
12178a121
13102c505
1491bac1
1567024a
hex4af029

4911145 has 8 divisors (see below), whose sum is σ = 5920704. Its totient is φ = 3910704.

The previous prime is 4911131. The next prime is 4911149. The reversal of 4911145 is 5411194.

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

It is a cyclic number.

It is not a de Polignac number, because 4911145 - 27 = 4911017 is a prime.

It is a super-2 number, since 2×49111452 = 48238690422050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4911149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029 + ... + 3298.

It is an arithmetic number, because the mean of its divisors is an integer number (740088).

Almost surely, 24911145 is an apocalyptic number.

It is an amenable number.

4911145 is a deficient number, since it is larger than the sum of its proper divisors (1009559).

4911145 is a wasteful number, since it uses less digits than its factorization.

4911145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559.

The product of its digits is 720, while the sum is 25.

The square root of 4911145 is about 2216.1103311884. The cubic root of 4911145 is about 169.9786016896.

The spelling of 4911145 in words is "four million, nine hundred eleven thousand, one hundred forty-five".

Divisors: 1 5 227 1135 4327 21635 982229 4911145