Search a number
-
+
344200136 = 23724172543
BaseRepresentation
bin10100100001000…
…001001111001000
3212222200011211012
4110201001033020
51201103401021
654053223052
711346436640
oct2441011710
9788604735
10344200136
11167323725
1297331a88
1356405327
14339db520
152034035b
hex148413c8

344200136 has 32 divisors (see below), whose sum is σ = 738167040. Its totient is φ = 147395328.

The previous prime is 344200133. The next prime is 344200141. The reversal of 344200136 is 631002443.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (344200133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134081 + ... + 136623.

It is an arithmetic number, because the mean of its divisors is an integer number (23067720).

Almost surely, 2344200136 is an apocalyptic number.

It is an amenable number.

344200136 is an abundant number, since it is smaller than the sum of its proper divisors (393966904).

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

344200136 is a wasteful number, since it uses less digits than its factorization.

344200136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973 (or 4969 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 344200136 is about 18552.6315114595. The cubic root of 344200136 is about 700.8154686942.

Adding to 344200136 its reverse (631002443), we get a palindrome (975202579).

The spelling of 344200136 in words is "three hundred forty-four million, two hundred thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 2417 2543 4834 5086 9668 10172 16919 17801 19336 20344 33838 35602 67676 71204 135352 142408 6146431 12292862 24585724 43025017 49171448 86050034 172100068 344200136