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314052021 = 3234894669
BaseRepresentation
bin10010101110000…
…000110110110101
3210212221111101100
4102232000312311
51120344131041
651055120313
710532253363
oct2256006665
9725844340
10314052021
11151301a28
1289213099
13500aaaca
142d9d0633
151c8876b6
hex12b80db5

314052021 has 6 divisors (see below), whose sum is σ = 453630710. Its totient is φ = 209368008.

The previous prime is 314052019. The next prime is 314052023. The reversal of 314052021 is 120250413.

314052021 is a `hidden beast` number, since 3 + 140 + 520 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (314052019) and next prime (314052023).

It can be written as a sum of positive squares in only one way, i.e., 291384900 + 22667121 = 17070^2 + 4761^2 .

It is not a de Polignac number, because 314052021 - 21 = 314052019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314051985 and 314052003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314052023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17447326 + ... + 17447343.

Almost surely, 2314052021 is an apocalyptic number.

It is an amenable number.

314052021 is a deficient number, since it is larger than the sum of its proper divisors (139578689).

314052021 is a wasteful number, since it uses less digits than its factorization.

314052021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34894675 (or 34894672 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 314052021 is about 17721.5129433127. The cubic root of 314052021 is about 679.7259716218.

The spelling of 314052021 in words is "three hundred fourteen million, fifty-two thousand, twenty-one".

Divisors: 1 3 9 34894669 104684007 314052021