Search a number
-
+
1051613225 = 521329111577
BaseRepresentation
bin111110101011100…
…101100000101001
32201021210111010222
4332223211200221
54123203110400
6252203415425
735026364525
oct7653454051
92637714128
101051613225
1149a676643
12254224575
13139b3b960
149d944d85
15624c9185
hex3eae5829

1051613225 has 24 divisors (see below), whose sum is σ = 1452745560. Its totient is φ = 749790720.

The previous prime is 1051613201. The next prime is 1051613281. The reversal of 1051613225 is 5223161501.

It can be written as a sum of positive squares in 12 ways, for example, as 581243881 + 470369344 = 24109^2 + 21688^2 .

It is not a de Polignac number, because 1051613225 - 212 = 1051609129 is a prime.

It is a super-2 number, since 2×10516132252 = 2211780749989801250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051613194 and 1051613203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46364 + ... + 65213.

It is an arithmetic number, because the mean of its divisors is an integer number (60531065).

Almost surely, 21051613225 is an apocalyptic number.

It is an amenable number.

1051613225 is a deficient number, since it is larger than the sum of its proper divisors (401132335).

1051613225 is a wasteful number, since it uses less digits than its factorization.

1051613225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111629 (or 111624 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1051613225 is about 32428.5865402734. The cubic root of 1051613225 is about 1016.9166225270.

Adding to 1051613225 its reverse (5223161501), we get a palindrome (6274774726).

The spelling of 1051613225 in words is "one billion, fifty-one million, six hundred thirteen thousand, two hundred twenty-five".

Divisors: 1 5 13 25 29 65 145 325 377 725 1885 9425 111577 557885 1450501 2789425 3235733 7252505 16178665 36262525 42064529 80893325 210322645 1051613225