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315253450 = 2527979811
BaseRepresentation
bin10010110010100…
…110001011001010
3210222012112102201
4102302212023022
51121201102300
651140550414
710545416161
oct2262461312
9728175381
10315253450
11151a52646
12896b240a
135040b905
142dc243d8
151ca2366a
hex12ca62ca

315253450 has 24 divisors (see below), whose sum is σ = 593801280. Its totient is φ = 124503600.

The previous prime is 315253441. The next prime is 315253451. The reversal of 315253450 is 54352513.

It is not an unprimeable number, because it can be changed into a prime (315253451) 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 11 ways as a sum of consecutive naturals, for example, 35956 + ... + 43855.

It is an arithmetic number, because the mean of its divisors is an integer number (24741720).

Almost surely, 2315253450 is an apocalyptic number.

315253450 is a deficient number, since it is larger than the sum of its proper divisors (278547830).

315253450 is a wasteful number, since it uses less digits than its factorization.

315253450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79902 (or 79897 counting only the distinct ones).

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

The square root of 315253450 is about 17755.3780584926. The cubic root of 315253450 is about 680.5916491447.

The spelling of 315253450 in words is "three hundred fifteen million, two hundred fifty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 79 158 395 790 1975 3950 79811 159622 399055 798110 1995275 3990550 6305069 12610138 31525345 63050690 157626725 315253450