Search a number
-
+
70197407 = 723941959
BaseRepresentation
bin1000010111100…
…10000010011111
311220002101201222
410023302002133
5120432304112
610544323555
71511445110
oct413620237
9156071658
1070197407
1136696395
121b6135bb
131170a637
149474207
156269372
hex42f209f

70197407 has 8 divisors (see below), whose sum is σ = 80563200. Its totient is φ = 59916024.

The previous prime is 70197383. The next prime is 70197427. The reversal of 70197407 is 70479107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70197407 - 28 = 70197151 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 (70197427) 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 7 ways as a sum of consecutive naturals, for example, 19307 + ... + 22652.

It is an arithmetic number, because the mean of its divisors is an integer number (10070400).

Almost surely, 270197407 is an apocalyptic number.

70197407 is a deficient number, since it is larger than the sum of its proper divisors (10365793).

70197407 is a wasteful number, since it uses less digits than its factorization.

70197407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42205.

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

The square root of 70197407 is about 8378.3892843434. The cubic root of 70197407 is about 412.5155809236.

The spelling of 70197407 in words is "seventy million, one hundred ninety-seven thousand, four hundred seven".

Divisors: 1 7 239 1673 41959 293713 10028201 70197407