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70768349 = 127955331
BaseRepresentation
bin1000011011111…
…01011011011101
311221011101220222
410031331123131
5121104041344
611004451125
71516343501
oct415753335
9157141828
1070768349
1136a46343
121b849aa5
131187a482
149582301
15632d5ee
hex437d6dd

70768349 has 4 divisors (see below), whose sum is σ = 70824960. Its totient is φ = 70711740.

The previous prime is 70768343. The next prime is 70768393. The reversal of 70768349 is 94386707.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70768349 - 24 = 70768333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70768343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26387 + ... + 28944.

It is an arithmetic number, because the mean of its divisors is an integer number (17706240).

Almost surely, 270768349 is an apocalyptic number.

It is an amenable number.

70768349 is a deficient number, since it is larger than the sum of its proper divisors (56611).

70768349 is a wasteful number, since it uses less digits than its factorization.

70768349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56610.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 70768349 is about 8412.3925847526. The cubic root of 70768349 is about 413.6309441042.

It can be divided in two parts, 70768 and 349, that added together give a palindrome (71117).

The spelling of 70768349 in words is "seventy million, seven hundred sixty-eight thousand, three hundred forty-nine".

Divisors: 1 1279 55331 70768349