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70478441 = 116407131
BaseRepresentation
bin1000011001101…
…10101001101001
311220121200020122
410030312221221
5121020302231
610554333025
71514025335
oct414665151
9156550218
1070478441
1136868550
121b72a175
13117a8527
1495087c5
1562c277b
hex4336a69

70478441 has 4 divisors (see below), whose sum is σ = 76885584. Its totient is φ = 64071300.

The previous prime is 70478423. The next prime is 70478489. The reversal of 70478441 is 14487407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70478441 - 210 = 70477417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70478041) 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 3 ways as a sum of consecutive naturals, for example, 3203555 + ... + 3203576.

It is an arithmetic number, because the mean of its divisors is an integer number (19221396).

Almost surely, 270478441 is an apocalyptic number.

It is an amenable number.

70478441 is a deficient number, since it is larger than the sum of its proper divisors (6407143).

70478441 is a wasteful number, since it uses less digits than its factorization.

70478441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407142.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 70478441 is about 8395.1438939425. The cubic root of 70478441 is about 413.0653473743.

The spelling of 70478441 in words is "seventy million, four hundred seventy-eight thousand, four hundred forty-one".

Divisors: 1 11 6407131 70478441