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1052681461 = 1380975497
BaseRepresentation
bin111110101111101…
…010010011110101
32201100210202111021
4332233222103311
54123441301321
6252242341141
735041434106
oct7657522365
92640722437
101052681461
114a0236187
1225465a7b1
1313a123c50
149db423ad
156263a941
hex3ebea4f5

1052681461 has 4 divisors (see below), whose sum is σ = 1133656972. Its totient is φ = 971705952.

The previous prime is 1052681423. The next prime is 1052681467. The reversal of 1052681461 is 1641862501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1641862501 = 2742759863.

It can be written as a sum of positive squares in 2 ways, for example, as 60746436 + 991935025 = 7794^2 + 31495^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052681461 - 211 = 1052679413 is a prime.

It is a super-2 number, since 2×10526814612 = 2216276516666189042, 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 (1052681467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40487736 + ... + 40487761.

It is an arithmetic number, because the mean of its divisors is an integer number (283414243).

Almost surely, 21052681461 is an apocalyptic number.

It is an amenable number.

1052681461 is a deficient number, since it is larger than the sum of its proper divisors (80975511).

1052681461 is an equidigital number, since it uses as much as digits as its factorization.

1052681461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80975510.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1052681461 is about 32445.0529511049. The cubic root of 1052681461 is about 1017.2608363187.

The spelling of 1052681461 in words is "one billion, fifty-two million, six hundred eighty-one thousand, four hundred sixty-one".

Divisors: 1 13 80975497 1052681461