Search a number
-
+
243474474342 = 231119194158273
BaseRepresentation
bin1110001011000000110…
…1011010010101100110
3212021110011011210202210
43202300031122111212
512442113431134332
6303503422544250
723406344612421
oct3426015322546
9767404153683
10243474474342
1194290aa2240
123b22b138086
1319c621717c8
14bad9cc49b8
1564eeec4ecc
hex38b035a566

243474474342 has 32 divisors (see below), whose sum is σ = 559175829120. Its totient is φ = 69896977920.

The previous prime is 243474474281. The next prime is 243474474343.

243474474342 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2434744743422 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243474474291 and 243474474300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243474474343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97077883 + ... + 97080390.

It is an arithmetic number, because the mean of its divisors is an integer number (17474244660).

Almost surely, 2243474474342 is an apocalyptic number.

243474474342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243474474342 is an abundant number, since it is smaller than the sum of its proper divisors (315701354778).

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

243474474342 is a wasteful number, since it uses less digits than its factorization.

243474474342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194158308.

The product of its digits is 7225344, while the sum is 48.

The spelling of 243474474342 in words is "two hundred forty-three billion, four hundred seventy-four million, four hundred seventy-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 209 418 627 1254 194158273 388316546 582474819 1164949638 2135741003 3689007187 4271482006 6407223009 7378014374 11067021561 12814446018 22134043122 40579079057 81158158114 121737237171 243474474342