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344035020 = 22357819131
BaseRepresentation
bin10100100000011…
…000111011001100
3212222100210022210
4110200120323030
51201033110040
654045510420
711345151360
oct2440307314
9788323283
10344035020
1116722066a
1297272410
1356378124
14339972a0
152030b480
hex14818ecc

344035020 has 48 divisors (see below), whose sum is σ = 1100913408. Its totient is φ = 78636480.

The previous prime is 344035019. The next prime is 344035049. The reversal of 344035020 is 20530443.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409146 + ... + 409985.

It is an arithmetic number, because the mean of its divisors is an integer number (22935696).

Almost surely, 2344035020 is an apocalyptic number.

344035020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344035020 is an abundant number, since it is smaller than the sum of its proper divisors (756878388).

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

344035020 is a wasteful number, since it uses less digits than its factorization.

344035020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819150 (or 819148 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 344035020 is about 18548.1810428947. The cubic root of 344035020 is about 700.7033882085.

Adding to 344035020 its reverse (20530443), we get a palindrome (364565463).

The spelling of 344035020 in words is "three hundred forty-four million, thirty-five thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 819131 1638262 2457393 3276524 4095655 4914786 5733917 8191310 9829572 11467834 12286965 16382620 17201751 22935668 24573930 28669585 34403502 49147860 57339170 68807004 86008755 114678340 172017510 344035020