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2551208 = 231153547
BaseRepresentation
bin1001101110110110101000
311210121121012
421232312220
51123114313
6130403052
730453632
oct11566650
94717535
102551208
111492840
12a30488
136b42ba
144a5a52
15355da8
hex26eda8

2551208 has 32 divisors (see below), whose sum is σ = 5326560. Its totient is φ = 1135680.

The previous prime is 2551177. The next prime is 2551223. The reversal of 2551208 is 8021552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4391 + ... + 4937.

It is an arithmetic number, because the mean of its divisors is an integer number (166455).

22551208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2663280).

2551208 is an abundant number, since it is smaller than the sum of its proper divisors (2775352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2551208 is a wasteful number, since it uses less digits than its factorization.

2551208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2551208 is about 1597.2501369541. The cubic root of 2551208 is about 136.6412908137.

The spelling of 2551208 in words is "two million, five hundred fifty-one thousand, two hundred eight".

Divisors: 1 2 4 8 11 22 44 53 88 106 212 424 547 583 1094 1166 2188 2332 4376 4664 6017 12034 24068 28991 48136 57982 115964 231928 318901 637802 1275604 2551208