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70849946 = 266153593
BaseRepresentation
bin1000011100100…
…01010110011010
311221022112212002
410032101112122
5121114144241
611010321002
71520133416
oct416212632
9157275762
1070849946
1136aa1682
121b889162
13118a865b
1495a3d46
15634789b
hex439159a

70849946 has 8 divisors (see below), whose sum is σ = 106437684. Its totient is φ = 35370720.

The previous prime is 70849937. The next prime is 70849949. The reversal of 70849946 is 64994807.

It can be written as a sum of positive squares in 2 ways, for example, as 69538921 + 1311025 = 8339^2 + 1145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 70849946.

It is not an unprimeable number, because it can be changed into a prime (70849949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25475 + ... + 28118.

Almost surely, 270849946 is an apocalyptic number.

70849946 is a deficient number, since it is larger than the sum of its proper divisors (35587738).

70849946 is a wasteful number, since it uses less digits than its factorization.

70849946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54256.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 70849946 is about 8417.2409969063. The cubic root of 70849946 is about 413.7898573336.

The spelling of 70849946 in words is "seventy million, eight hundred forty-nine thousand, nine hundred forty-six".

Divisors: 1 2 661 1322 53593 107186 35424973 70849946