Search a number
-
+
70425147 = 3131805773
BaseRepresentation
bin1000011001010…
…01101000111011
311220111222010210
410030221220323
5121012101042
610553242203
71513414062
oct414515073
9156458123
1070425147
1136831501
121b703363
131178a1b0
1494d31d9
1562b1a9c
hex4329a3b

70425147 has 8 divisors (see below), whose sum is σ = 101123344. Its totient is φ = 43338528.

The previous prime is 70425143. The next prime is 70425151. The reversal of 70425147 is 74152407.

It is an interprime number because it is at equal distance from previous prime (70425143) and next prime (70425151).

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

It is not a de Polignac number, because 70425147 - 22 = 70425143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70425143) 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, 902848 + ... + 902925.

It is an arithmetic number, because the mean of its divisors is an integer number (12640418).

Almost surely, 270425147 is an apocalyptic number.

70425147 is a deficient number, since it is larger than the sum of its proper divisors (30698197).

70425147 is a wasteful number, since it uses less digits than its factorization.

70425147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805789.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 70425147 is about 8391.9691967976. The cubic root of 70425147 is about 412.9612046254.

The spelling of 70425147 in words is "seventy million, four hundred twenty-five thousand, one hundred forty-seven".

Divisors: 1 3 13 39 1805773 5417319 23475049 70425147