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1015355225 = 52101340093
BaseRepresentation
bin111100100001010…
…001011101011001
32121202120101112002
4330201101131121
54034412331400
6244430330345
734106243213
oct7441213531
92552511462
101015355225
11481161455
122440599b5
13132485411
1498bc75b3
155e215ed5
hex3c851759

1015355225 has 12 divisors (see below), whose sum is σ = 1260314796. Its totient is φ = 811462080.

The previous prime is 1015355219. The next prime is 1015355261. The reversal of 1015355225 is 5225535101.

1015355225 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 6 ways, for example, as 503374096 + 511981129 = 22436^2 + 22627^2 .

It is not a de Polignac number, because 1015355225 - 210 = 1015354201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5279 + ... + 45371.

It is an arithmetic number, because the mean of its divisors is an integer number (105026233).

Almost surely, 21015355225 is an apocalyptic number.

It is an amenable number.

1015355225 is a deficient number, since it is larger than the sum of its proper divisors (244959571).

1015355225 is a wasteful number, since it uses less digits than its factorization.

1015355225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41116 (or 41111 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 1015355225 is about 31864.6391004198. The cubic root of 1015355225 is about 1005.0924314548.

The spelling of 1015355225 in words is "one billion, fifteen million, three hundred fifty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 1013 5065 25325 40093 200465 1002325 40614209 203071045 1015355225