Search a number
-
+
2057459128 = 23503511297
BaseRepresentation
bin111101010100010…
…0101010110111000
312022101110202022221
41322220211112320
513203202143003
6540054253424
7101662054054
oct17250452670
95271422287
102057459128
1196642254a
12495057274
1326a34494a
14157374c64
15c09627bd
hex7aa255b8

2057459128 has 16 divisors (see below), whose sum is σ = 3865412880. Its totient is φ = 1026682368.

The previous prime is 2057459123. The next prime is 2057459177. The reversal of 2057459128 is 8219547502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057459123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251625 + ... + 259672.

It is an arithmetic number, because the mean of its divisors is an integer number (241588305).

Almost surely, 22057459128 is an apocalyptic number.

It is an amenable number.

2057459128 is a deficient number, since it is larger than the sum of its proper divisors (1807953752).

2057459128 is a wasteful number, since it uses less digits than its factorization.

2057459128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511806 (or 511802 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 2057459128 is about 45359.2231855882. The cubic root of 2057459128 is about 1271.8729732861.

The spelling of 2057459128 in words is "two billion, fifty-seven million, four hundred fifty-nine thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 503 1006 2012 4024 511297 1022594 2045188 4090376 257182391 514364782 1028729564 2057459128