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10261057 = 24142577
BaseRepresentation
bin100111001001…
…001001000001
3201022022112011
4213021021001
510111323212
61003532521
7153134422
oct47111101
921268464
1010261057
115879314
12352a141
132183641
141511649
15d7a4a7
hex9c9241

10261057 has 4 divisors (see below), whose sum is σ = 10303876. Its totient is φ = 10218240.

The previous prime is 10261051. The next prime is 10261061. The reversal of 10261057 is 75016201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75016201 = 135770477.

It can be written as a sum of positive squares in 2 ways, for example, as 8620096 + 1640961 = 2936^2 + 1281^2 .

It is a cyclic number.

It is not a de Polignac number, because 10261057 - 211 = 10259009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10261051) 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, 21048 + ... + 21529.

It is an arithmetic number, because the mean of its divisors is an integer number (2575969).

Almost surely, 210261057 is an apocalyptic number.

It is an amenable number.

10261057 is a deficient number, since it is larger than the sum of its proper divisors (42819).

10261057 is an equidigital number, since it uses as much as digits as its factorization.

10261057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42818.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 10261057 is about 3203.2884665606. The cubic root of 10261057 is about 217.3021550513.

Adding to 10261057 its reverse (75016201), we get a palindrome (85277258).

The spelling of 10261057 in words is "ten million, two hundred sixty-one thousand, fifty-seven".

Divisors: 1 241 42577 10261057