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28960570 = 252896057
BaseRepresentation
bin110111001111…
…0011100111010
32000111100102201
41232132130322
524403214240
62512420414
7501106102
oct156363472
960440381
1028960570
1115390561
12984770a
135cccb42
143bbc202
152820d9a
hex1b9e73a

28960570 has 8 divisors (see below), whose sum is σ = 52129044. Its totient is φ = 11584224.

The previous prime is 28960553. The next prime is 28960597. The reversal of 28960570 is 7506982.

It can be written as a sum of positive squares in 2 ways, for example, as 27594009 + 1366561 = 5253^2 + 1169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×289605702 = 1677429229449800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448019 + ... + 1448038.

Almost surely, 228960570 is an apocalyptic number.

28960570 is a deficient number, since it is larger than the sum of its proper divisors (23168474).

28960570 is a wasteful number, since it uses less digits than its factorization.

28960570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896064.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 28960570 is about 5381.5025782768. The cubic root of 28960570 is about 307.0923763646.

The spelling of 28960570 in words is "twenty-eight million, nine hundred sixty thousand, five hundred seventy".

Divisors: 1 2 5 10 2896057 5792114 14480285 28960570