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70407197 = 710058171
BaseRepresentation
bin1000011001001…
…01010000011101
311220111001111222
410030211100131
5121011012242
610553023125
71513310540
oct414452035
9156431458
1070407197
1136819a73
121b6b4aa5
1311781c83
1494ca857
1562ab5d2
hex432541d

70407197 has 4 divisors (see below), whose sum is σ = 80465376. Its totient is φ = 60349020.

The previous prime is 70407193. The next prime is 70407199. The reversal of 70407197 is 79170407.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79170407 = 312125367.

It is a cyclic number.

It is not a de Polignac number, because 70407197 - 22 = 70407193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70407193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5029079 + ... + 5029092.

It is an arithmetic number, because the mean of its divisors is an integer number (20116344).

Almost surely, 270407197 is an apocalyptic number.

It is an amenable number.

70407197 is a deficient number, since it is larger than the sum of its proper divisors (10058179).

70407197 is a wasteful number, since it uses less digits than its factorization.

70407197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10058178.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 70407197 is about 8390.8996537916. The cubic root of 70407197 is about 412.9261163849.

The spelling of 70407197 in words is "seventy million, four hundred seven thousand, one hundred ninety-seven".

Divisors: 1 7 10058171 70407197