Search a number
-
+
70474387 = 718311959
BaseRepresentation
bin1000011001101…
…01101010010011
311220121110200111
410030311222103
5121020140022
610554302151
71514010454
oct414655223
9156543614
1070474387
11368654a5
121b727957
13117a6729
14950712b
1562c1477
hex4335a93

70474387 has 8 divisors (see below), whose sum is σ = 72334080. Its totient is φ = 68638920.

The previous prime is 70474343. The next prime is 70474403. The reversal of 70474387 is 78347407.

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

It is a cyclic number.

It is not a de Polignac number, because 70474387 - 215 = 70441619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70474787) 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, 87 + ... + 11872.

It is an arithmetic number, because the mean of its divisors is an integer number (9041760).

Almost surely, 270474387 is an apocalyptic number.

70474387 is a deficient number, since it is larger than the sum of its proper divisors (1859693).

70474387 is a wasteful number, since it uses less digits than its factorization.

70474387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12113.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 70474387 is about 8394.9024413629. The cubic root of 70474387 is about 413.0574272264.

The spelling of 70474387 in words is "seventy million, four hundred seventy-four thousand, three hundred eighty-seven".

Divisors: 1 71 83 5893 11959 849089 992597 70474387