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70448107 = 611154887
BaseRepresentation
bin1000011001011…
…11001111101011
311220120010122011
410030233033223
5121013314412
610553540351
71513541032
oct414571753
9156503564
1070448107
1136847784
121b7146b7
1311797792
1494db719
1562b87a7
hex432f3eb

70448107 has 4 divisors (see below), whose sum is σ = 71603056. Its totient is φ = 69293160.

The previous prime is 70448101. The next prime is 70448123. The reversal of 70448107 is 70184407.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70448107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70448101) 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, 577383 + ... + 577504.

It is an arithmetic number, because the mean of its divisors is an integer number (17900764).

Almost surely, 270448107 is an apocalyptic number.

70448107 is a deficient number, since it is larger than the sum of its proper divisors (1154949).

70448107 is a wasteful number, since it uses less digits than its factorization.

70448107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154948.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 70448107 is about 8393.3370598350. The cubic root of 70448107 is about 413.0060776074.

It can be divided in two parts, 7044 and 8107, that added together give a palindrome (15151).

The spelling of 70448107 in words is "seventy million, four hundred forty-eight thousand, one hundred seven".

Divisors: 1 61 1154887 70448107