Search a number
-
+
2057528 = 2311103227
BaseRepresentation
bin111110110010100111000
310212112101202
413312110320
51011320103
6112033332
723326424
oct7662470
93775352
102057528
111185940
12832848
13570695
143b7b84
152a9988
hex1f6538

2057528 has 32 divisors (see below), whose sum is σ = 4268160. Its totient is φ = 922080.

The previous prime is 2057483. The next prime is 2057537. The reversal of 2057528 is 8257502.

It is a self number, because there is not a number n which added to its sum of digits gives 2057528.

It is a congruent number.

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, 8951 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (133380).

22057528 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 2057528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2134080).

2057528 is an abundant number, since it is smaller than the sum of its proper divisors (2210632).

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

2057528 is a wasteful number, since it uses less digits than its factorization.

2057528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2057528 is about 1434.4085889313. The cubic root of 2057528 is about 127.1887164813.

The spelling of 2057528 in words is "two million, fifty-seven thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 11 22 44 88 103 206 227 412 454 824 908 1133 1816 2266 2497 4532 4994 9064 9988 19976 23381 46762 93524 187048 257191 514382 1028764 2057528