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1354079893 = 3733630241
BaseRepresentation
bin101000010110101…
…1001111010010101
310111100221101102011
41100231121322111
510233121024033
6342210344221
745361326535
oct12055317225
93440841364
101354079893
116353852a1
1231958b071
131876c140a
14cbb9b4c5
157dd23ccd
hex50b59e95

1354079893 has 4 divisors (see below), whose sum is σ = 1357710508. Its totient is φ = 1350449280.

The previous prime is 1354079879. The next prime is 1354079911. The reversal of 1354079893 is 3989704531.

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 970820964 + 383258929 = 31158^2 + 19577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354079893 - 213 = 1354071701 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 (1354079813) 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, 1814748 + ... + 1815493.

It is an arithmetic number, because the mean of its divisors is an integer number (339427627).

Almost surely, 21354079893 is an apocalyptic number.

It is an amenable number.

1354079893 is a deficient number, since it is larger than the sum of its proper divisors (3630615).

1354079893 is an equidigital number, since it uses as much as digits as its factorization.

1354079893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630614.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 1354079893 is about 36797.8245688519. The cubic root of 1354079893 is about 1106.3216968736.

The spelling of 1354079893 in words is "one billion, three hundred fifty-four million, seventy-nine thousand, eight hundred ninety-three".

Divisors: 1 373 3630241 1354079893