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4909345 = 571737223
BaseRepresentation
bin10010101110100100100001
3100020102100121
4102232210201
52224044340
6253120241
756504650
oct22564441
910212317
104909345
112853511
121789081
13102b74c
1491b197
1566e94a
hex4ae921

4909345 has 32 divisors (see below), whose sum is σ = 7354368. Its totient is φ = 3068928.

The previous prime is 4909343. The next prime is 4909349. The reversal of 4909345 is 5439094.

It is not a de Polignac number, because 4909345 - 21 = 4909343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4909345.

It is not an unprimeable number, because it can be changed into a prime (4909343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21904 + ... + 22126.

It is an arithmetic number, because the mean of its divisors is an integer number (229824).

Almost surely, 24909345 is an apocalyptic number.

It is an amenable number.

4909345 is a deficient number, since it is larger than the sum of its proper divisors (2445023).

4909345 is a wasteful number, since it uses less digits than its factorization.

4909345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 4909345 is about 2215.7041770056. The cubic root of 4909345 is about 169.9578326788.

The spelling of 4909345 in words is "four million, nine hundred nine thousand, three hundred forty-five".

Divisors: 1 5 7 17 35 37 85 119 185 223 259 595 629 1115 1295 1561 3145 3791 4403 7805 8251 18955 22015 26537 41255 57757 132685 140267 288785 701335 981869 4909345