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70447107 = 323482369
BaseRepresentation
bin1000011001011…
…11000000000011
311220120002021010
410030233000003
5121013301412
610553532003
71513535103
oct414570003
9156502233
1070447107
1136846a55
121b714003
13117971a3
1494db203
1562b833c
hex432f003

70447107 has 4 divisors (see below), whose sum is σ = 93929480. Its totient is φ = 46964736.

The previous prime is 70447081. The next prime is 70447141. The reversal of 70447107 is 70174407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70174407 = 323391469.

It is not a de Polignac number, because 70447107 - 26 = 70447043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70447187) 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, 11741182 + ... + 11741187.

It is an arithmetic number, because the mean of its divisors is an integer number (23482370).

Almost surely, 270447107 is an apocalyptic number.

70447107 is a deficient number, since it is larger than the sum of its proper divisors (23482373).

70447107 is a wasteful number, since it uses less digits than its factorization.

70447107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23482372.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 70447107 is about 8393.2774885619. The cubic root of 70447107 is about 413.0041234123.

The spelling of 70447107 in words is "seventy million, four hundred forty-seven thousand, one hundred seven".

Divisors: 1 3 23482369 70447107