Search a number
-
+
1054995061 = 17611017353
BaseRepresentation
bin111110111000011…
…111001001110101
32201112011022011011
4332320133021311
54130034320221
6252404112221
735100211231
oct7670371165
92645138134
101054995061
114a157644a
12255395671
1313a754043
14a01855c1
15629461e1
hex3ee1f275

1054995061 has 8 divisors (see below), whose sum is σ = 1135367064. Its totient is φ = 976657920.

The previous prime is 1054995049. The next prime is 1054995079. The reversal of 1054995061 is 1605994501.

It can be written as a sum of positive squares in 4 ways, for example, as 182088036 + 872907025 = 13494^2 + 29545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1054995061 is a prime.

It is a super-2 number, since 2×10549950612 = 2226029157468787442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054992061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507640 + ... + 509713.

It is an arithmetic number, because the mean of its divisors is an integer number (141920883).

Almost surely, 21054995061 is an apocalyptic number.

It is an amenable number.

1054995061 is a deficient number, since it is larger than the sum of its proper divisors (80372003).

1054995061 is a wasteful number, since it uses less digits than its factorization.

1054995061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017431.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 1054995061 is about 32480.6875081178. The cubic root of 1054995061 is about 1018.0055416730.

The spelling of 1054995061 in words is "one billion, fifty-four million, nine hundred ninety-five thousand, sixty-one".

Divisors: 1 17 61 1037 1017353 17295001 62058533 1054995061