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3453708381 = 31151236127
BaseRepresentation
bin1100110111011011…
…0110100001011101
322220200202120020020
43031312312201131
524033122132011
61330412542353
7151405015434
oct31566664135
98820676206
103453708381
11151258a252
128047819b9
134306ac136
1424a98c11b
15153316006
hexcddb685d

3453708381 has 4 divisors (see below), whose sum is σ = 4604944512. Its totient is φ = 2302472252.

The previous prime is 3453708367. The next prime is 3453708409. The reversal of 3453708381 is 1838073543.

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.

It is a cyclic number.

It is not a de Polignac number, because 3453708381 - 26 = 3453708317 is a prime.

It is a super-2 number, since 2×34537083812 = 23856203161979282322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3453708301) 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, 575618061 + ... + 575618066.

It is an arithmetic number, because the mean of its divisors is an integer number (1151236128).

Almost surely, 23453708381 is an apocalyptic number.

It is an amenable number.

3453708381 is a deficient number, since it is larger than the sum of its proper divisors (1151236131).

3453708381 is a wasteful number, since it uses less digits than its factorization.

3453708381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151236130.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 3453708381 is about 58768.2599793460. The cubic root of 3453708381 is about 1511.5710124876.

It can be divided in two parts, 345 and 3708381, that added together give a triangular number (3708726 = T2723).

The spelling of 3453708381 in words is "three billion, four hundred fifty-three million, seven hundred eight thousand, three hundred eighty-one".

Divisors: 1 3 1151236127 3453708381