Search a number
-
+
344379631 = 1154929819
BaseRepresentation
bin10100100001101…
…101000011101111
3220000000022001011
4110201231003233
51201130122011
654101130051
711351115151
oct2441550357
9800008034
10344379631
11167436572
12973b9927
1356468c3b
1433a46ad1
1520378621
hex1486d0ef

344379631 has 4 divisors (see below), whose sum is σ = 344421000. Its totient is φ = 344338264.

The previous prime is 344379619. The next prime is 344379653. The reversal of 344379631 is 136973443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-344379631 is a prime.

It is a super-2 number, since 2×3443796312 = 237194660495392322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344379661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3361 + ... + 26458.

It is an arithmetic number, because the mean of its divisors is an integer number (86105250).

Almost surely, 2344379631 is an apocalyptic number.

344379631 is a deficient number, since it is larger than the sum of its proper divisors (41369).

344379631 is a wasteful number, since it uses less digits than its factorization.

344379631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41368.

The product of its digits is 163296, while the sum is 40.

The square root of 344379631 is about 18557.4683348780. The cubic root of 344379631 is about 700.9372689681.

The spelling of 344379631 in words is "three hundred forty-four million, three hundred seventy-nine thousand, six hundred thirty-one".

Divisors: 1 11549 29819 344379631