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70343434 = 2719673947
BaseRepresentation
bin1000011000101…
…01101100001010
311220100211001101
410030111230022
5121001442214
610551412014
71512623620
oct414255412
9156324041
1070343434
1136786077
121b68400a
131175bc45
1494b1510
156297774
hex4315b0a

70343434 has 32 divisors (see below), whose sum is σ = 128862720. Its totient is φ = 28127088.

The previous prime is 70343423. The next prime is 70343437. The reversal of 70343434 is 43434307.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (70343437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15849 + ... + 19795.

It is an arithmetic number, because the mean of its divisors is an integer number (4026960).

Almost surely, 270343434 is an apocalyptic number.

70343434 is a deficient number, since it is larger than the sum of its proper divisors (58519286).

70343434 is a wasteful number, since it uses less digits than its factorization.

70343434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 70343434 is about 8387.0992601733. The cubic root of 70343434 is about 412.8014257219.

The spelling of 70343434 in words is "seventy million, three hundred forty-three thousand, four hundred thirty-four".

Divisors: 1 2 7 14 19 38 67 133 134 266 469 938 1273 2546 3947 7894 8911 17822 27629 55258 74993 149986 264449 524951 528898 1049902 1851143 3702286 5024531 10049062 35171717 70343434