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70443716 = 22717197789
BaseRepresentation
bin1000011001011…
…10001011000100
311220112220121112
410030232023010
5121013144331
610553504152
71513522160
oct414561304
9156486545
1070443716
1136844452
121b712058
1311795795
1494d9ca0
1562b732b
hex432e2c4

70443716 has 48 divisors (see below), whose sum is σ = 157046400. Its totient is φ = 26915328.

The previous prime is 70443713. The next prime is 70443721. The reversal of 70443716 is 61734407.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70443713) 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, 5150 + ... + 12938.

It is an arithmetic number, because the mean of its divisors is an integer number (3271800).

Almost surely, 270443716 is an apocalyptic number.

70443716 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70443716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78523200).

70443716 is an abundant number, since it is smaller than the sum of its proper divisors (86602684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70443716 is a wasteful number, since it uses less digits than its factorization.

70443716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7836 (or 7834 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 70443716 is about 8393.0754792269. The cubic root of 70443716 is about 412.9974965991.

The spelling of 70443716 in words is "seventy million, four hundred forty-three thousand, seven hundred sixteen".

Divisors: 1 2 4 7 14 17 19 28 34 38 68 76 119 133 238 266 323 476 532 646 1292 2261 4522 7789 9044 15578 31156 54523 109046 132413 147991 218092 264826 295982 529652 591964 926891 1035937 1853782 2071874 2515847 3707564 4143748 5031694 10063388 17610929 35221858 70443716