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2861053 = 13297589
BaseRepresentation
bin1010111010011111111101
312101100121221
422322133331
51213023203
6141153341
733214156
oct12723775
95340557
102861053
111684608
12b5b851
13792340
1454692d
153b7abd
hex2ba7fd

2861053 has 8 divisors (see below), whose sum is σ = 3187800. Its totient is φ = 2549568.

The previous prime is 2861051. The next prime is 2861059. The reversal of 2861053 is 3501682.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45369 + 2815684 = 213^2 + 1678^2 .

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 2861053 - 21 = 2861051 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 (2861051) 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, 3418 + ... + 4171.

It is an arithmetic number, because the mean of its divisors is an integer number (398475).

22861053 is an apocalyptic number.

It is an amenable number.

2861053 is a deficient number, since it is larger than the sum of its proper divisors (326747).

2861053 is a wasteful number, since it uses less digits than its factorization.

2861053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2861053 is about 1691.4647498544. The cubic root of 2861053 is about 141.9630433482.

The spelling of 2861053 in words is "two million, eight hundred sixty-one thousand, fifty-three".

Divisors: 1 13 29 377 7589 98657 220081 2861053