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70213343 is a prime number
BaseRepresentation
bin1000010111101…
…01111011011111
311220010012121012
410023311323133
5120433311333
610544525435
71511542424
oct413657337
9156105535
1070213343
11366a7362
121b62087b
1311714975
149479d4b
15626de48
hex42f5edf

70213343 has 2 divisors, whose sum is σ = 70213344. Its totient is φ = 70213342.

The previous prime is 70213327. The next prime is 70213397. The reversal of 70213343 is 34331207.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70213343 - 24 = 70213327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70219343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35106671 + 35106672.

It is an arithmetic number, because the mean of its divisors is an integer number (35106672).

Almost surely, 270213343 is an apocalyptic number.

70213343 is a deficient number, since it is larger than the sum of its proper divisors (1).

70213343 is an equidigital number, since it uses as much as digits as its factorization.

70213343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 70213343 is about 8379.3402484921. The cubic root of 70213343 is about 412.5467945689.

The spelling of 70213343 in words is "seventy million, two hundred thirteen thousand, three hundred forty-three".