Search a number
-
+
70228671 = 331755147
BaseRepresentation
bin1000010111110…
…01101010111111
311220010222121220
410023321222333
5120434304141
610545124423
71511635212
oct413715277
9156128556
1070228671
1136707927
121b629713
131171b936
149481779
156273766
hex42f9abf

70228671 has 8 divisors (see below), whose sum is σ = 96658944. Its totient is φ = 45308760.

The previous prime is 70228667. The next prime is 70228673. The reversal of 70228671 is 17682207.

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

It is not a de Polignac number, because 70228671 - 22 = 70228667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70228673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377481 + ... + 377666.

It is an arithmetic number, because the mean of its divisors is an integer number (12082368).

Almost surely, 270228671 is an apocalyptic number.

70228671 is a deficient number, since it is larger than the sum of its proper divisors (26430273).

70228671 is a wasteful number, since it uses less digits than its factorization.

70228671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755181.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 70228671 is about 8380.2548290610. The cubic root of 70228671 is about 412.5768128765.

The spelling of 70228671 in words is "seventy million, two hundred twenty-eight thousand, six hundred seventy-one".

Divisors: 1 3 31 93 755147 2265441 23409557 70228671