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4620949 = 12173797
BaseRepresentation
bin10001101000001010010101
322200202202021
4101220022111
52140332244
6243013141
754164104
oct21501225
98622667
104620949
112676873
12166a1b1
13c5a3b8
1488403b
15614284
hex468295

4620949 has 4 divisors (see below), whose sum is σ = 4625964. Its totient is φ = 4615936.

The previous prime is 4620943. The next prime is 4620961. The reversal of 4620949 is 9490264.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 592900 + 4028049 = 770^2 + 2007^2 .

It is a cyclic number.

It is not a de Polignac number, because 4620949 - 29 = 4620437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4620943) 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, 682 + ... + 3115.

It is an arithmetic number, because the mean of its divisors is an integer number (1156491).

Almost surely, 24620949 is an apocalyptic number.

It is an amenable number.

4620949 is a deficient number, since it is larger than the sum of its proper divisors (5015).

4620949 is a wasteful number, since it uses less digits than its factorization.

4620949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 4620949 is about 2149.6392720640. The cubic root of 4620949 is about 166.5624339379.

The spelling of 4620949 in words is "four million, six hundred twenty thousand, nine hundred forty-nine".

Divisors: 1 1217 3797 4620949