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450103390 = 251117313769
BaseRepresentation
bin11010110101000…
…000100001011110
31011100221121202221
4122311000201132
51410211302030
6112355135554
714103546532
oct3265004136
91140847687
10450103390
11211087380
121068a45ba
1372334a89
1443ac7bc2
15297ade7a
hex1ad4085e

450103390 has 64 divisors (see below), whose sum is σ = 940040640. Its totient is φ = 153354240.

The previous prime is 450103361. The next prime is 450103397. The reversal of 450103390 is 93301054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450103397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584926 + ... + 585694.

It is an arithmetic number, because the mean of its divisors is an integer number (14688135).

Almost surely, 2450103390 is an apocalyptic number.

450103390 is an abundant number, since it is smaller than the sum of its proper divisors (489937250).

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

450103390 is a wasteful number, since it uses less digits than its factorization.

450103390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 450103390 is about 21215.6402213084. The cubic root of 450103390 is about 766.3681158493.

It can be divided in two parts, 45010 and 3390, that added together give a square (48400 = 2202).

The spelling of 450103390 in words is "four hundred fifty million, one hundred three thousand, three hundred ninety".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 313 374 626 769 935 1538 1565 1870 3130 3443 3845 5321 6886 7690 8459 10642 13073 16918 17215 26146 26605 34430 42295 53210 58531 65365 84590 117062 130730 143803 240697 287606 292655 481394 585310 719015 1203485 1438030 2406970 2647667 4091849 5295334 8183698 13238335 20459245 26476670 40918490 45010339 90020678 225051695 450103390