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5245551 = 32718209
BaseRepresentation
bin10100000000101001101111
3100212111112200
4110000221233
52320324201
6304232543
762405103
oct24005157
910774480
105245551
112a63073
12190b753
13111879c
149a7903
156d9386
hex500a6f

5245551 has 12 divisors (see below), whose sum is σ = 7684560. Its totient is φ = 3447360.

The previous prime is 5245543. The next prime is 5245553. The reversal of 5245551 is 1555425.

It is not a de Polignac number, because 5245551 - 23 = 5245543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5245553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3466 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (640380).

Almost surely, 25245551 is an apocalyptic number.

5245551 is a deficient number, since it is larger than the sum of its proper divisors (2439009).

5245551 is a wasteful number, since it uses less digits than its factorization.

5245551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8286 (or 8283 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 5245551 is about 2290.3167903153. The cubic root of 5245551 is about 173.7522236315.

The spelling of 5245551 in words is "five million, two hundred forty-five thousand, five hundred fifty-one".

Divisors: 1 3 9 71 213 639 8209 24627 73881 582839 1748517 5245551