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3454945381 = 31432591857
BaseRepresentation
bin1100110111101110…
…0100100001100101
322220210002102002001
43031323210201211
524033431223011
61330455245301
7151421360026
oct31573444145
98823072061
103454945381
111513254668
12805079831
13430a231a4
1424abd0c4d
151534ac7c1
hexcdee4865

3454945381 has 8 divisors (see below), whose sum is σ = 3649336064. Its totient is φ = 3265738560.

The previous prime is 3454945369. The next prime is 3454945433. The reversal of 3454945381 is 1835494543.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3454945381 - 25 = 3454945349 is a prime.

It is a super-2 number, since 2×34549453812 = 23873295171386470322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3454940381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294596 + ... + 1297261.

It is an arithmetic number, because the mean of its divisors is an integer number (456167008).

Almost surely, 23454945381 is an apocalyptic number.

3454945381 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3454945381 is a deficient number, since it is larger than the sum of its proper divisors (194390683).

3454945381 is a wasteful number, since it uses less digits than its factorization.

3454945381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591931.

The product of its digits is 1036800, while the sum is 46.

The square root of 3454945381 is about 58778.7834256545. The cubic root of 3454945381 is about 1511.7514552607.

The spelling of 3454945381 in words is "three billion, four hundred fifty-four million, nine hundred forty-five thousand, three hundred eighty-one".

Divisors: 1 31 43 1333 2591857 80347567 111449851 3454945381