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1354545053 = 7691761437
BaseRepresentation
bin101000010111100…
…1011011110011101
310111101211000111022
41100233023132131
510233230420203
6342224333525
745365304641
oct12057133635
93441730438
101354545053
11635672824
123197742a5
13187825064
14cbc7cc21
157ddb6a38
hex50bcb79d

1354545053 has 4 divisors (see below), whose sum is σ = 1356307260. Its totient is φ = 1352782848.

The previous prime is 1354545019. The next prime is 1354545061. The reversal of 1354545053 is 3505454531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3505454531 = 4185498891.

It can be written as a sum of positive squares in 2 ways, for example, as 480574084 + 873970969 = 21922^2 + 29563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1354545053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354545083) 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, 879950 + ... + 881487.

It is an arithmetic number, because the mean of its divisors is an integer number (339076815).

Almost surely, 21354545053 is an apocalyptic number.

It is an amenable number.

1354545053 is a deficient number, since it is larger than the sum of its proper divisors (1762207).

1354545053 is an equidigital number, since it uses as much as digits as its factorization.

1354545053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762206.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 1354545053 is about 36804.1445084653. The cubic root of 1354545053 is about 1106.4483653433.

Adding to 1354545053 its reverse (3505454531), we get a palindrome (4859999584).

The spelling of 1354545053 in words is "one billion, three hundred fifty-four million, five hundred forty-five thousand, fifty-three".

Divisors: 1 769 1761437 1354545053