Search a number
-
+
70350930 = 23551317131
BaseRepresentation
bin1000011000101…
…11100001010010
311220101012100000
410030113201102
5121002212210
610551510430
71512654516
oct414274122
9156335300
1070350930
1136790771
121b688416
1311762490
1494b4146
156299ac0
hex4317852

70350930 has 192 divisors, whose sum is σ = 217945728. Its totient is φ = 16174080.

The previous prime is 70350919. The next prime is 70350937. The reversal of 70350930 is 3905307.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70350894 and 70350903.

It is not an unprimeable number, because it can be changed into a prime (70350937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 536965 + ... + 537095.

It is an arithmetic number, because the mean of its divisors is an integer number (1135134).

Almost surely, 270350930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70350930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108972864).

70350930 is an abundant number, since it is smaller than the sum of its proper divisors (147594798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70350930 is a wasteful number, since it uses less digits than its factorization.

70350930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 27.

The square root of 70350930 is about 8387.5461250595. The cubic root of 70350930 is about 412.8160883062.

The spelling of 70350930 in words is "seventy million, three hundred fifty thousand, nine hundred thirty".