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28600601 = 42196779
BaseRepresentation
bin110110100011…
…0100100011001
31222211001122112
41231012210121
524310204401
62501002105
7465046451
oct155064431
958731575
1028600601
1115165067
1296b3335
135c05043
143b26d61
15279e3bb
hex1b46919

28600601 has 4 divisors (see below), whose sum is σ = 28611600. Its totient is φ = 28589604.

The previous prime is 28600591. The next prime is 28600669. The reversal of 28600601 is 10600682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 28600601 - 222 = 24406297 is a prime.

It is a super-2 number, since 2×286006012 = 1635988755122402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28605601) 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, 830 + ... + 7608.

It is an arithmetic number, because the mean of its divisors is an integer number (7152900).

Almost surely, 228600601 is an apocalyptic number.

It is an amenable number.

28600601 is a deficient number, since it is larger than the sum of its proper divisors (10999).

28600601 is an equidigital number, since it uses as much as digits as its factorization.

28600601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10998.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 28600601 is about 5347.9529728673. The cubic root of 28600601 is about 305.8147204522.

The spelling of 28600601 in words is "twenty-eight million, six hundred thousand, six hundred one".

Divisors: 1 4219 6779 28600601