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1053277213 = 1553678221
BaseRepresentation
bin111110110001111…
…011110000011101
32201101221000201011
4332301323300131
54124114332323
6252303215221
735046465022
oct7661736035
92641830634
101053277213
114a060283a
122548a7511
1313a2a2171
149dc59549
156270720d
hex3ec7bc1d

1053277213 has 4 divisors (see below), whose sum is σ = 1053956988. Its totient is φ = 1052597440.

The previous prime is 1053277201. The next prime is 1053277219. The reversal of 1053277213 is 3127723501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 536987929 + 516289284 = 23173^2 + 22722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1053277213 is a prime.

It is a super-2 number, since 2×10532772132 = 2218785774850094738, 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 (1053277219) 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 3 ways as a sum of consecutive naturals, for example, 337558 + ... + 340663.

It is an arithmetic number, because the mean of its divisors is an integer number (263489247).

Almost surely, 21053277213 is an apocalyptic number.

It is an amenable number.

1053277213 is a deficient number, since it is larger than the sum of its proper divisors (679775).

1053277213 is an equidigital number, since it uses as much as digits as its factorization.

1053277213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679774.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 1053277213 is about 32454.2325899104. The cubic root of 1053277213 is about 1017.4527021743.

The spelling of 1053277213 in words is "one billion, fifty-three million, two hundred seventy-seven thousand, two hundred thirteen".

Divisors: 1 1553 678221 1053277213