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344874990 = 23511495833
BaseRepresentation
bin10100100011100…
…101111111101110
3220000221110112210
4110203211333232
51201241444430
654115511250
711355250305
oct2443457756
9800843483
10344874990
11167744759
12975b8526
13565b0555
1433b3543c
15204252b0
hex148e5fee

344874990 has 16 divisors (see below), whose sum is σ = 827700048. Its totient is φ = 91966656.

The previous prime is 344874961. The next prime is 344874991. The reversal of 344874990 is 99478443.

344874990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344874991) 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, 5747887 + ... + 5747946.

It is an arithmetic number, because the mean of its divisors is an integer number (51731253).

Almost surely, 2344874990 is an apocalyptic number.

344874990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

344874990 is an abundant number, since it is smaller than the sum of its proper divisors (482825058).

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

344874990 is a wasteful number, since it uses less digits than its factorization.

344874990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11495843.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 344874990 is about 18570.8101600334. The cubic root of 344874990 is about 701.2731862784.

The spelling of 344874990 in words is "three hundred forty-four million, eight hundred seventy-four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 11495833 22991666 34487499 57479165 68974998 114958330 172437495 344874990