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4974145 = 51190439
BaseRepresentation
bin10010111110011001000001
3100100201020121
4102332121001
52233133040
6254340241
760164611
oct22763101
910321217
104974145
112898170
1217ba681
1310520a7
14936a41
15683c4a
hex4be641

4974145 has 8 divisors (see below), whose sum is σ = 6511680. Its totient is φ = 3617520.

The previous prime is 4974139. The next prime is 4974157. The reversal of 4974145 is 5414794.

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

It is a de Polignac number, because none of the positive numbers 2k-4974145 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4974145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45165 + ... + 45274.

It is an arithmetic number, because the mean of its divisors is an integer number (813960).

Almost surely, 24974145 is an apocalyptic number.

It is an amenable number.

4974145 is a deficient number, since it is larger than the sum of its proper divisors (1537535).

4974145 is a wasteful number, since it uses less digits than its factorization.

4974145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90455.

The product of its digits is 20160, while the sum is 34.

The square root of 4974145 is about 2230.2791305126. The cubic root of 4974145 is about 170.7023423107.

The spelling of 4974145 in words is "four million, nine hundred seventy-four thousand, one hundred forty-five".

Divisors: 1 5 11 55 90439 452195 994829 4974145