Search a number
-
+
340232144 = 2477938453
BaseRepresentation
bin10100010001111…
…000011111010000
3212201012120202112
4110101320133100
51144044412034
653432204452
711300632310
oct2421703720
9781176675
10340232144
1116506349a
1295b39728
13556461c5
1433287440
151ed097ce
hex144787d0

340232144 has 40 divisors (see below), whose sum is σ = 762927360. Its totient is φ = 143964288.

The previous prime is 340232129. The next prime is 340232149. The reversal of 340232144 is 441232043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340232149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10379 + ... + 28074.

It is an arithmetic number, because the mean of its divisors is an integer number (19073184).

Almost surely, 2340232144 is an apocalyptic number.

It is an amenable number.

340232144 is an abundant number, since it is smaller than the sum of its proper divisors (422695216).

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

340232144 is a wasteful number, since it uses less digits than its factorization.

340232144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38547 (or 38541 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 340232144 is about 18445.3827284771. The cubic root of 340232144 is about 698.1120172271.

Adding to 340232144 its reverse (441232043), we get a palindrome (781464187).

The spelling of 340232144 in words is "three hundred forty million, two hundred thirty-two thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 79 112 158 316 553 632 1106 1264 2212 4424 8848 38453 76906 153812 269171 307624 538342 615248 1076684 2153368 3037787 4306736 6075574 12151148 21264509 24302296 42529018 48604592 85058036 170116072 340232144