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4977309 = 31659103
BaseRepresentation
bin10010111111001010011101
3100100212120210
4102333022131
52233233214
6254403033
760210051
oct22771235
910325523
104977309
11289a587
121800479
13105366c
14937c61
15684b59
hex4bf29d

4977309 has 4 divisors (see below), whose sum is σ = 6636416. Its totient is φ = 3318204.

The previous prime is 4977263. The next prime is 4977317. The reversal of 4977309 is 9037794.

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 not a de Polignac number, because 4977309 - 28 = 4977053 is a prime.

It is a d-powerful number, because it can be written as 44 + 92 + 72 + 75 + 311 + 0 + 97 .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4977109) 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, 829549 + ... + 829554.

It is an arithmetic number, because the mean of its divisors is an integer number (1659104).

Almost surely, 24977309 is an apocalyptic number.

It is an amenable number.

4977309 is a deficient number, since it is larger than the sum of its proper divisors (1659107).

4977309 is a wasteful number, since it uses less digits than its factorization.

4977309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659106.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 4977309 is about 2230.9883460027. The cubic root of 4977309 is about 170.7385286123.

The spelling of 4977309 in words is "four million, nine hundred seventy-seven thousand, three hundred nine".

Divisors: 1 3 1659103 4977309