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314203220 = 22515710161
BaseRepresentation
bin10010101110100…
…101110001010100
3210220020011210022
4102232211301110
51120414000340
651102244312
710533453242
oct2256456124
9726204708
10314203220
111513a5591
1289286698
1350131886
142da2d792
151c8b73b5
hex12ba5c54

314203220 has 12 divisors (see below), whose sum is σ = 659826804. Its totient is φ = 125681280.

The previous prime is 314203199. The next prime is 314203229. The reversal of 314203220 is 22302413.

It can be written as a sum of positive squares in 2 ways, for example, as 240312004 + 73891216 = 15502^2 + 8596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314203229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7855061 + ... + 7855100.

It is an arithmetic number, because the mean of its divisors is an integer number (54985567).

Almost surely, 2314203220 is an apocalyptic number.

It is an amenable number.

314203220 is an abundant number, since it is smaller than the sum of its proper divisors (345623584).

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

314203220 is a wasteful number, since it uses less digits than its factorization.

314203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15710170 (or 15710168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 314203220 is about 17725.7784032183. The cubic root of 314203220 is about 679.8350378395.

Adding to 314203220 its reverse (22302413), we get a palindrome (336505633).

The spelling of 314203220 in words is "three hundred fourteen million, two hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 15710161 31420322 62840644 78550805 157101610 314203220