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4977949 = 31160579
BaseRepresentation
bin10010111111010100011101
3100100220110111
4102333110131
52233243244
6254410021
760211654
oct22772435
910326414
104977949
1128a0009
121800911
131053a42
1493819b
15684e34
hex4bf51d

4977949 has 4 divisors (see below), whose sum is σ = 5138560. Its totient is φ = 4817340.

The previous prime is 4977901. The next prime is 4977953. The reversal of 4977949 is 9497794.

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 4977949 - 29 = 4977437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4977979) 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, 80259 + ... + 80320.

It is an arithmetic number, because the mean of its divisors is an integer number (1284640).

Almost surely, 24977949 is an apocalyptic number.

It is an amenable number.

4977949 is a deficient number, since it is larger than the sum of its proper divisors (160611).

4977949 is a wasteful number, since it uses less digits than its factorization.

4977949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160610.

The product of its digits is 571536, while the sum is 49.

The square root of 4977949 is about 2231.1317755794. The cubic root of 4977949 is about 170.7458463534.

The spelling of 4977949 in words is "four million, nine hundred seventy-seven thousand, nine hundred forty-nine".

Divisors: 1 31 160579 4977949