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70443674 = 272718813
BaseRepresentation
bin1000011001011…
…10001010011010
311220112220112222
410030232022122
5121013144144
610553504042
71513522100
oct414561232
9156486488
1070443674
1136844414
121b712022
1311795762
1494d9c70
1562b72ee
hex432e29a

70443674 has 12 divisors (see below), whose sum is σ = 122917194. Its totient is φ = 30190104.

The previous prime is 70443673. The next prime is 70443679. The reversal of 70443674 is 47634407.

It can be written as a sum of positive squares in only one way, i.e., 70442449 + 1225 = 8393^2 + 35^2 .

It is a super-2 number, since 2×704436742 = 9924622413236552, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70443673) 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, 359309 + ... + 359504.

Almost surely, 270443674 is an apocalyptic number.

70443674 is a deficient number, since it is larger than the sum of its proper divisors (52473520).

70443674 is a wasteful number, since it uses less digits than its factorization.

70443674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718829 (or 718822 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 70443674 is about 8393.0729771640. The cubic root of 70443674 is about 412.9974145199.

It can be divided in two parts, 70443 and 674, that added together give a palindrome (71117).

The spelling of 70443674 in words is "seventy million, four hundred forty-three thousand, six hundred seventy-four".

Divisors: 1 2 7 14 49 98 718813 1437626 5031691 10063382 35221837 70443674