Search a number
-
+
1731420054 = 2327131057033
BaseRepresentation
bin110011100110011…
…0101111110010110
311110122222020210200
41213030311332112
512021220420204
6443450201330
760622553610
oct14714657626
94418866720
101731420054
11809383571
12403a23246
1321792aa10
14125d43db0
15a200d539
hex67335f96

1731420054 has 48 divisors (see below), whose sum is σ = 4617124512. Its totient is φ = 456637824.

The previous prime is 1731420017. The next prime is 1731420079. The reversal of 1731420054 is 4500241371.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 526879 + ... + 530154.

It is an arithmetic number, because the mean of its divisors is an integer number (96190094).

Almost surely, 21731420054 is an apocalyptic number.

1731420054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1731420054 is an abundant number, since it is smaller than the sum of its proper divisors (2885704458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1731420054 is a wasteful number, since it uses less digits than its factorization.

1731420054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057061 (or 1057058 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1731420054 is about 41610.3359034748. The cubic root of 1731420054 is about 1200.7911574436.

The spelling of 1731420054 in words is "one billion, seven hundred thirty-one million, four hundred twenty thousand, fifty-four".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 182 234 273 546 819 1638 1057033 2114066 3171099 6342198 7399231 9513297 13741429 14798462 19026594 22197693 27482858 41224287 44395386 66593079 82448574 96190003 123672861 133186158 192380006 247345722 288570009 577140018 865710027 1731420054