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313532230 = 251119114923
BaseRepresentation
bin10010101100000…
…001111101000110
3210211222002100211
4102230001331012
51120231012410
651040030034
710524660064
oct2254017506
9724862324
10313532230
11150a87450
128900231a
134cc5833b
142d8d7034
151c7d368a
hex12b01f46

313532230 has 32 divisors (see below), whose sum is σ = 618928128. Its totient is φ = 113407200.

The previous prime is 313532201. The next prime is 313532239. The reversal of 313532230 is 32235313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313532239) 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 15 ways as a sum of consecutive naturals, for example, 13549 + ... + 28471.

It is an arithmetic number, because the mean of its divisors is an integer number (19341504).

Almost surely, 2313532230 is an apocalyptic number.

313532230 is a deficient number, since it is larger than the sum of its proper divisors (305395898).

313532230 is a wasteful number, since it uses less digits than its factorization.

313532230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15132.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 313532230 is about 17706.8413332249. The cubic root of 313532230 is about 679.3507571948.

Adding to 313532230 its reverse (32235313), we get a palindrome (345767543).

The spelling of 313532230 in words is "three hundred thirteen million, five hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 191 382 955 1910 2101 4202 10505 14923 21010 29846 74615 149230 164153 328306 820765 1641530 2850293 5700586 14251465 28502930 31353223 62706446 156766115 313532230