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70024842 = 23219204751
BaseRepresentation
bin1000010110001…
…11111010001010
311212202122000200
410023013322022
5120411243332
610540513030
71510126026
oct413077212
9155678020
1070024842
1136588778
121b54b776
1311679c24
14942b386
15623317c
hex42c7e8a

70024842 has 24 divisors (see below), whose sum is σ = 159706560. Its totient is φ = 22113000.

The previous prime is 70024841. The next prime is 70024847. The reversal of 70024842 is 24842007.

It is not an unprimeable number, because it can be changed into a prime (70024841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102034 + ... + 102717.

It is an arithmetic number, because the mean of its divisors is an integer number (6654440).

Almost surely, 270024842 is an apocalyptic number.

70024842 is an abundant number, since it is smaller than the sum of its proper divisors (89681718).

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

70024842 is a wasteful number, since it uses less digits than its factorization.

70024842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204778 (or 204775 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 70024842 is about 8368.0847271045. The cubic root of 70024842 is about 412.1772770573.

Adding to 70024842 its reverse (24842007), we get a palindrome (94866849).

The spelling of 70024842 in words is "seventy million, twenty-four thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 204751 409502 614253 1228506 1842759 3685518 3890269 7780538 11670807 23341614 35012421 70024842