Search a number
-
+
344240005420 = 225211226735983
BaseRepresentation
bin1010000001001100100…
…11011010000100101100
31012220112200022011020101
411000212103122010230
521120000420133140
6422050334000444
733604405524103
oct5004623320454
91186480264211
10344240005420
11122a9a566153
1256871346124
1326600455ccc
141293889b03a
158e4b52899a
hex50264da12c

344240005420 has 48 divisors (see below), whose sum is σ = 726670683648. Its totient is φ = 136979156160.

The previous prime is 344240005409. The next prime is 344240005427. The reversal of 344240005420 is 24500042443.

It is not an unprimeable number, because it can be changed into a prime (344240005427) 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, 9548749 + ... + 9584731.

It is an arithmetic number, because the mean of its divisors is an integer number (15138972576).

Almost surely, 2344240005420 is an apocalyptic number.

It is an amenable number.

344240005420 is an abundant number, since it is smaller than the sum of its proper divisors (382430678228).

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

344240005420 is a wasteful number, since it uses less digits than its factorization.

344240005420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38470 (or 38468 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 344240005420 its reverse (24500042443), we get a palindrome (368740047863).

The spelling of 344240005420 in words is "three hundred forty-four billion, two hundred forty million, five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 211 422 844 1055 2110 2267 4220 4534 9068 11335 22670 35983 45340 71966 143932 179915 359830 478337 719660 956674 1913348 2391685 4783370 7592413 9566740 15184826 30369652 37962065 75924130 81573461 151848260 163146922 326293844 407867305 815734610 1631469220 17212000271 34424000542 68848001084 86060001355 172120002710 344240005420