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344980 = 22547367
BaseRepresentation
bin1010100001110010100
3122112020001
41110032110
542014410
611221044
72634526
oct1241624
9575201
10344980
11216209
12147784
13c103c
148da16
156c33a
hex54394

344980 has 24 divisors (see below), whose sum is σ = 741888. Its totient is φ = 134688.

The previous prime is 344969. The next prime is 344987. The reversal of 344980 is 89443.

344980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3449802 = 238022400800, which contains 22 as substring.

It is a d-powerful number, because it can be written as 39 + 46 + 95 + 49 + 8 + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344987) 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, 757 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (30912).

2344980 is an apocalyptic number.

It is an amenable number.

344980 is an abundant number, since it is smaller than the sum of its proper divisors (396908).

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

344980 is a wasteful number, since it uses less digits than its factorization.

344980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 344980 is about 587.3499808462. The cubic root of 344980 is about 70.1344355278.

It can be divided in two parts, 3 and 44980, that multiplied together give a triangular number (134940 = T519).

The spelling of 344980 in words is "three hundred forty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 47 94 188 235 367 470 734 940 1468 1835 3670 7340 17249 34498 68996 86245 172490 344980