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3454857493 = 29119133017
BaseRepresentation
bin1100110111101100…
…1111000100010101
322220202220221111221
43031323033010111
524033420414433
61330453330341
7151420542553
oct31573170425
98822827457
103454857493
1115131a462a
128050369b1
134309c2199
1424abaabd3
1515349172d
hexcdecf115

3454857493 has 4 divisors (see below), whose sum is σ = 3573990540. Its totient is φ = 3335724448.

The previous prime is 3454857481. The next prime is 3454857503. The reversal of 3454857493 is 3947584543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3947584543 = 7563940649.

It can be written as a sum of positive squares in 2 ways, for example, as 2897991889 + 556865604 = 53833^2 + 23598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3454857493 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 3454857493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3454857433) 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, 59566480 + ... + 59566537.

It is an arithmetic number, because the mean of its divisors is an integer number (893497635).

Almost surely, 23454857493 is an apocalyptic number.

It is an amenable number.

3454857493 is a deficient number, since it is larger than the sum of its proper divisors (119133047).

3454857493 is a wasteful number, since it uses less digits than its factorization.

3454857493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119133046.

The product of its digits is 7257600, while the sum is 52.

The square root of 3454857493 is about 58778.0358042016. The cubic root of 3454857493 is about 1511.7386363471.

The spelling of 3454857493 in words is "three billion, four hundred fifty-four million, eight hundred fifty-seven thousand, four hundred ninety-three".

Divisors: 1 29 119133017 3454857493