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70141770 = 2325779353
BaseRepresentation
bin1000010111001…
…00011101001010
311212222120102100
410023210131022
5120424014040
610543214230
71511123646
oct413443512
9155876370
1070141770
1136658606
121b5a7376
13116bb20a
14945bc26
156257b30
hex42e474a

70141770 has 24 divisors (see below), whose sum is σ = 182368836. Its totient is φ = 18704448.

The previous prime is 70141769. The next prime is 70141777. The reversal of 70141770 is 7714107.

It can be written as a sum of positive squares in 2 ways, for example, as 65173329 + 4968441 = 8073^2 + 2229^2 .

It is not an unprimeable number, because it can be changed into a prime (70141777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389587 + ... + 389766.

Almost surely, 270141770 is an apocalyptic number.

70141770 is an abundant number, since it is smaller than the sum of its proper divisors (112227066).

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

70141770 is a wasteful number, since it uses less digits than its factorization.

70141770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779366 (or 779363 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 70141770 is about 8375.0683579300. The cubic root of 70141770 is about 412.4065683709.

Adding to 70141770 its reverse (7714107), we get a palindrome (77855877).

The spelling of 70141770 in words is "seventy million, one hundred forty-one thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 779353 1558706 2338059 3896765 4676118 7014177 7793530 11690295 14028354 23380590 35070885 70141770