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70447914 = 2331304591
BaseRepresentation
bin1000011001011…
…11001100101010
311220120010101000
410030233030222
5121013313124
610553535430
71513540335
oct414571452
9156503330
1070447914
1136847619
121b714576
1311797674
1494db61c
1562b86c9
hex432f32a

70447914 has 16 divisors (see below), whose sum is σ = 156551040. Its totient is φ = 23482620.

The previous prime is 70447901. The next prime is 70447933. The reversal of 70447914 is 41974407.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 652242 + ... + 652349.

It is an arithmetic number, because the mean of its divisors is an integer number (9784440).

Almost surely, 270447914 is an apocalyptic number.

70447914 is an abundant number, since it is smaller than the sum of its proper divisors (86103126).

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

70447914 is a wasteful number, since it uses less digits than its factorization.

70447914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304602 (or 1304596 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 70447914 is about 8393.3255626122. The cubic root of 70447914 is about 413.0057004492.

The spelling of 70447914 in words is "seventy million, four hundred forty-seven thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 1304591 2609182 3913773 7827546 11741319 23482638 35223957 70447914