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3454808138 = 21727404069
BaseRepresentation
bin1100110111101100…
…0011000001001010
322220202211102210222
43031323003001022
524033412330023
61330452310042
7151420245635
oct31573030112
98822742728
103454808138
111513170541
12805012322
134309a5892
1424ab96c1c
15153481cc8
hexcdec304a

3454808138 has 4 divisors (see below), whose sum is σ = 5182212210. Its totient is φ = 1727404068.

The previous prime is 3454808131. The next prime is 3454808143. The reversal of 3454808138 is 8318084543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8318084543 = 19759420977.

It can be written as a sum of positive squares in only one way, i.e., 1732807129 + 1722001009 = 41627^2 + 41497^2 .

It is not an unprimeable number, because it can be changed into a prime (3454808131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863702033 + ... + 863702036.

Almost surely, 23454808138 is an apocalyptic number.

3454808138 is a deficient number, since it is larger than the sum of its proper divisors (1727404072).

3454808138 is a wasteful number, since it uses less digits than its factorization.

3454808138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727404071.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 3454808138 is about 58777.6159604998. The cubic root of 3454808138 is about 1511.7314375730.

The spelling of 3454808138 in words is "three billion, four hundred fifty-four million, eight hundred eight thousand, one hundred thirty-eight".

Divisors: 1 2 1727404069 3454808138