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10128277 = 172332557
BaseRepresentation
bin100110101000…
…101110010101
3201001120101101
4212220232111
510043101102
61001030101
7152042335
oct46505625
921046341
1010128277
115798585
123485331
132138083
1414b90c5
15d50e87
hex9a8b95

10128277 has 8 divisors (see below), whose sum is σ = 10774296. Its totient is φ = 9487872.

The previous prime is 10128253. The next prime is 10128281. The reversal of 10128277 is 77282101.

10128277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1164241 + 8964036 = 1079^2 + 2994^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10128277 - 223 = 1739669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10125277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2683 + ... + 5239.

It is an arithmetic number, because the mean of its divisors is an integer number (1346787).

Almost surely, 210128277 is an apocalyptic number.

10128277 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10128277 is a deficient number, since it is larger than the sum of its proper divisors (646019).

10128277 is a wasteful number, since it uses less digits than its factorization.

10128277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 10128277 is about 3182.4954045528. The cubic root of 10128277 is about 216.3607725439.

The spelling of 10128277 in words is "ten million, one hundred twenty-eight thousand, two hundred seventy-seven".

Divisors: 1 17 233 2557 3961 43469 595781 10128277