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4949421 = 31649807
BaseRepresentation
bin10010111000010110101101
3100022110022220
4102320112231
52231340141
6254025553
760032541
oct22702655
910273286
104949421
112880634
1217a82b9
131043a69
1492ba21
1567b766
hex4b85ad

4949421 has 4 divisors (see below), whose sum is σ = 6599232. Its totient is φ = 3299612.

The previous prime is 4949419. The next prime is 4949423. The reversal of 4949421 is 1249494.

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 an interprime number because it is at equal distance from previous prime (4949419) and next prime (4949423).

It is a cyclic number.

It is not a de Polignac number, because 4949421 - 21 = 4949419 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4949423) 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, 824901 + ... + 824906.

It is an arithmetic number, because the mean of its divisors is an integer number (1649808).

Almost surely, 24949421 is an apocalyptic number.

It is an amenable number.

4949421 is a deficient number, since it is larger than the sum of its proper divisors (1649811).

4949421 is a wasteful number, since it uses less digits than its factorization.

4949421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649810.

The product of its digits is 10368, while the sum is 33.

The square root of 4949421 is about 2224.7294217500. The cubic root of 4949421 is about 170.4190469463.

The spelling of 4949421 in words is "four million, nine hundred forty-nine thousand, four hundred twenty-one".

Divisors: 1 3 1649807 4949421