Search a number
-
+
1057016205 = 32578340429
BaseRepresentation
bin111111000000001…
…100100110001101
32201122221222122100
4333000030212031
54131044004310
6252515305313
735123326620
oct7700144615
92648858570
101057016205
114a2726a13
12255bab239
1313acb0c9b
14a054ddb7
1562be4ec0
hex3f00c98d

1057016205 has 48 divisors (see below), whose sum is σ = 2119178880. Its totient is φ = 477373824.

The previous prime is 1057016201. The next prime is 1057016249. The reversal of 1057016205 is 5026107501.

It is not a de Polignac number, because 1057016205 - 22 = 1057016201 is a prime.

It is a super-2 number, since 2×10570162052 = 2234566515265204050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057016201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5931 + ... + 46359.

It is an arithmetic number, because the mean of its divisors is an integer number (44149560).

Almost surely, 21057016205 is an apocalyptic number.

1057016205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1057016205 is an abundant number, since it is smaller than the sum of its proper divisors (1062162675).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057016205 is a wasteful number, since it uses less digits than its factorization.

1057016205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40530 (or 40527 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 1057016205 is about 32511.7856322903. The cubic root of 1057016205 is about 1018.6552203091.

The spelling of 1057016205 in words is "one billion, fifty-seven million, sixteen thousand, two hundred five".

Divisors: 1 3 5 7 9 15 21 35 45 63 83 105 249 315 415 581 747 1245 1743 2905 3735 5229 8715 26145 40429 121287 202145 283003 363861 606435 849009 1415015 1819305 2547027 3355607 4245045 10066821 12735135 16778035 23489249 30200463 50334105 70467747 117446245 151002315 211403241 352338735 1057016205