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2551796 = 2213311583
BaseRepresentation
bin1001101110111111110100
311210122101222
421232333310
51123124141
6130405512
730455432
oct11567764
94718358
102551796
111493225
12a30898
136b4650
144a5d52
1535614b
hex26eff4

2551796 has 24 divisors (see below), whose sum is σ = 4967424. Its totient is φ = 1139040.

The previous prime is 2551793. The next prime is 2551817. The reversal of 2551796 is 6971552.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821 + ... + 2403.

It is an arithmetic number, because the mean of its divisors is an integer number (206976).

22551796 is an apocalyptic number.

2551796 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2551796 is a deficient number, since it is larger than the sum of its proper divisors (2415628).

2551796 is a wasteful number, since it uses less digits than its factorization.

2551796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1629 counting only the distinct ones).

The product of its digits is 18900, while the sum is 35.

The square root of 2551796 is about 1597.4341926978. The cubic root of 2551796 is about 136.6517876590.

The spelling of 2551796 in words is "two million, five hundred fifty-one thousand, seven hundred ninety-six".

Divisors: 1 2 4 13 26 31 52 62 124 403 806 1583 1612 3166 6332 20579 41158 49073 82316 98146 196292 637949 1275898 2551796