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1454650709 = 2363245683
BaseRepresentation
bin101011010110100…
…0011010101010101
310202101011220122012
41112231003111111
510434342310314
6400202114005
751022220111
oct12655032525
93671156565
101454650709
11687126676
123471ab905
131a24a4985
14db29a741
1587a8c93e
hex56b43555

1454650709 has 4 divisors (see below), whose sum is σ = 1517896416. Its totient is φ = 1391405004.

The previous prime is 1454650699. The next prime is 1454650711. The reversal of 1454650709 is 9070564541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9070564541 = 37245150393.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1454650709 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 (1454650609) 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, 31622819 + ... + 31622864.

It is an arithmetic number, because the mean of its divisors is an integer number (379474104).

Almost surely, 21454650709 is an apocalyptic number.

It is an amenable number.

1454650709 is a deficient number, since it is larger than the sum of its proper divisors (63245707).

1454650709 is an equidigital number, since it uses as much as digits as its factorization.

1454650709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63245706.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 1454650709 is about 38139.8834424019. The cubic root of 1454650709 is about 1133.0599988948.

The spelling of 1454650709 in words is "one billion, four hundred fifty-four million, six hundred fifty thousand, seven hundred nine".

Divisors: 1 23 63245683 1454650709