Search a number
-
+
70421059 = 389181031
BaseRepresentation
bin1000011001010…
…00101001000011
311220111202112101
410030220221003
5121011433214
610553211231
71513366132
oct414505103
9156452471
1070421059
1136829425
121b700b17
1311788387
1494d1919
1562b0774
hex4328a43

70421059 has 4 divisors (see below), whose sum is σ = 70602480. Its totient is φ = 70239640.

The previous prime is 70421041. The next prime is 70421069. The reversal of 70421059 is 95012407.

It is a happy number.

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-70421059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70421069) 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, 90127 + ... + 90904.

It is an arithmetic number, because the mean of its divisors is an integer number (17650620).

Almost surely, 270421059 is an apocalyptic number.

70421059 is a deficient number, since it is larger than the sum of its proper divisors (181421).

70421059 is a wasteful number, since it uses less digits than its factorization.

70421059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181420.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 70421059 is about 8391.7256270686. The cubic root of 70421059 is about 412.9532140229.

The spelling of 70421059 in words is "seventy million, four hundred twenty-one thousand, fifty-nine".

Divisors: 1 389 181031 70421059