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2554428 = 223212869
BaseRepresentation
bin1001101111101000111100
311210210000110
421233220330
51123220203
6130430020
730466212
oct11575074
94723013
102554428
1114951a8
12a32310
136b58c6
144a6cb2
15356d03
hex26fa3c

2554428 has 12 divisors (see below), whose sum is σ = 5960360. Its totient is φ = 851472.

The previous prime is 2554421. The next prime is 2554429. The reversal of 2554428 is 8244552.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 2 + 52 + 58 + 45 + 48 + 221 + 82 .

It is a junction number, because it is equal to n+sod(n) for n = 2554395 and 2554404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106423 + ... + 106446.

22554428 is an apocalyptic number.

It is an amenable number.

2554428 is an abundant number, since it is smaller than the sum of its proper divisors (3405932).

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

2554428 is a wasteful number, since it uses less digits than its factorization.

2554428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212876 (or 212874 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 2554428 is about 1598.2578014826. The cubic root of 2554428 is about 136.6987537852.

The spelling of 2554428 in words is "two million, five hundred fifty-four thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 212869 425738 638607 851476 1277214 2554428