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2428551 = 321491811
BaseRepresentation
bin1001010000111010000111
311120101100100
421100322013
51110203201
6124015143
726433216
oct11207207
94511310
102428551
111409674
129914b3
13670518
1447307d
1532e886
hex250e87

2428551 has 12 divisors (see below), whose sum is σ = 3533400. Its totient is φ = 1607280.

The previous prime is 2428541. The next prime is 2428577. The reversal of 2428551 is 1558242.

It is a happy number.

It is not a de Polignac number, because 2428551 - 26 = 2428487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428541) 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, 436 + ... + 2246.

It is an arithmetic number, because the mean of its divisors is an integer number (294450).

22428551 is an apocalyptic number.

2428551 is a deficient number, since it is larger than the sum of its proper divisors (1104849).

2428551 is a wasteful number, since it uses less digits than its factorization.

2428551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1963 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2428551 is about 1558.3808905399. The cubic root of 2428551 is about 134.4154146329.

It can be divided in two parts, 24285 and 51, that added together give a square (24336 = 1562).

The spelling of 2428551 in words is "two million, four hundred twenty-eight thousand, five hundred fifty-one".

Divisors: 1 3 9 149 447 1341 1811 5433 16299 269839 809517 2428551