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1225532350 = 25278342187
BaseRepresentation
bin100100100001100…
…0010001110111110
310011102001111100001
41021003002032332
510002214013400
6321335224514
742240565420
oct11103021676
93142044301
101225532350
11579865659
122a251813a
13166b93a93
14b8a98810
15728d0a6a
hex490c23be

1225532350 has 48 divisors (see below), whose sum is σ = 2636581248. Its totient is φ = 415110240.

The previous prime is 1225532333. The next prime is 1225532351. The reversal of 1225532350 is 532355221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225532351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7957 + ... + 50143.

It is an arithmetic number, because the mean of its divisors is an integer number (54928776).

Almost surely, 21225532350 is an apocalyptic number.

1225532350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225532350 is an abundant number, since it is smaller than the sum of its proper divisors (1411048898).

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

1225532350 is a wasteful number, since it uses less digits than its factorization.

1225532350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42289 (or 42284 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1225532350 is about 35007.6041739506. The cubic root of 1225532350 is about 1070.1424534476.

Adding to 1225532350 its reverse (532355221), we get a palindrome (1757887571).

The spelling of 1225532350 in words is "one billion, two hundred twenty-five million, five hundred thirty-two thousand, three hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 83 166 175 350 415 581 830 1162 2075 2905 4150 5810 14525 29050 42187 84374 210935 295309 421870 590618 1054675 1476545 2109350 2953090 3501521 7003042 7382725 14765450 17507605 24510647 35015210 49021294 87538025 122553235 175076050 245106470 612766175 1225532350