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10289861 = 31734547
BaseRepresentation
bin100111010000…
…001011000101
3201100210000222
4213100023011
510113233421
61004314125
7153314411
oct47201305
921323028
1010289861
115898a1a
123542945
13219379a
14151bd41
15d83cab
hex9d02c5

10289861 has 8 divisors (see below), whose sum is σ = 10769664. Its totient is φ = 9819360.

The previous prime is 10289827. The next prime is 10289863. The reversal of 10289861 is 16898201.

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 10289861 - 214 = 10273477 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 (10289863) 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, 11 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (1346208).

Almost surely, 210289861 is an apocalyptic number.

It is an amenable number.

10289861 is a deficient number, since it is larger than the sum of its proper divisors (479803).

10289861 is an equidigital number, since it uses as much as digits as its factorization.

10289861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 10289861 is about 3207.7813204768. The cubic root of 10289861 is about 217.5052960352.

The spelling of 10289861 in words is "ten million, two hundred eighty-nine thousand, eight hundred sixty-one".

Divisors: 1 31 73 2263 4547 140957 331931 10289861