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344664030 = 235611271483
BaseRepresentation
bin10100100010110…
…010011111011110
3220000112202011110
4110202302133132
51201213222110
654111202450
711353411254
oct2442623736
9800482143
10344664030
11167610207
1297516426
1356538519
1433abc5d4
15203d2a20
hex148b27de

344664030 has 64 divisors (see below), whose sum is σ = 847945728. Its totient is φ = 89631360.

The previous prime is 344663959. The next prime is 344664031. The reversal of 344664030 is 30466443.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344664031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231669 + ... + 233151.

It is an arithmetic number, because the mean of its divisors is an integer number (13249152).

Almost surely, 2344664030 is an apocalyptic number.

344664030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 344664030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423972864).

344664030 is an abundant number, since it is smaller than the sum of its proper divisors (503281698).

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

344664030 is a wasteful number, since it uses less digits than its factorization.

344664030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 344664030 is about 18565.1294097294. The cubic root of 344664030 is about 701.1301675315.

It can be divided in two parts, 3446 and 64030, that added together give a palindrome (67476).

The spelling of 344664030 in words is "three hundred forty-four million, six hundred sixty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 61 122 127 183 254 305 366 381 610 635 762 915 1270 1483 1830 1905 2966 3810 4449 7415 7747 8898 14830 15494 22245 23241 38735 44490 46482 77470 90463 116205 180926 188341 232410 271389 376682 452315 542778 565023 904630 941705 1130046 1356945 1883410 2713890 2825115 5650230 11488801 22977602 34466403 57444005 68932806 114888010 172332015 344664030