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1354209007 = 2243603749
BaseRepresentation
bin101000010110111…
…1001011011101111
310111101011221112011
41100231321123233
510233134142012
6342213222051
745362405134
oct12055713357
93441157464
101354209007
116354632a8
12319631927
13187738108
14cbbd258b
157dd4c1a7
hex50b796ef

1354209007 has 4 divisors (see below), whose sum is σ = 1354815000. Its totient is φ = 1353603016.

The previous prime is 1354208987. The next prime is 1354209047. The reversal of 1354209007 is 7009024531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1354209007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1354209007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354209047) 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, 299632 + ... + 304117.

It is an arithmetic number, because the mean of its divisors is an integer number (338703750).

Almost surely, 21354209007 is an apocalyptic number.

1354209007 is a deficient number, since it is larger than the sum of its proper divisors (605993).

1354209007 is an equidigital number, since it uses as much as digits as its factorization.

1354209007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605992.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1354209007 is about 36799.5788970472. The cubic root of 1354209007 is about 1106.3568590233.

The spelling of 1354209007 in words is "one billion, three hundred fifty-four million, two hundred nine thousand, seven".

Divisors: 1 2243 603749 1354209007