Search a number
-
+
70993476 = 2233657347
BaseRepresentation
bin1000011101101…
…00011001000100
311221120211202000
410032310121010
5121133242401
611013345300
71521302031
oct416643104
9157524660
1070993476
113708a4a4
121b938230
1311928a98
149600388
156375186
hex43b4644

70993476 has 24 divisors (see below), whose sum is σ = 184057440. Its totient is φ = 23664456.

The previous prime is 70993459. The next prime is 70993477. The reversal of 70993476 is 67439907.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (70993477) 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 7 ways as a sum of consecutive naturals, for example, 328566 + ... + 328781.

It is an arithmetic number, because the mean of its divisors is an integer number (7669060).

Almost surely, 270993476 is an apocalyptic number.

It is an amenable number.

70993476 is an abundant number, since it is smaller than the sum of its proper divisors (113063964).

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

70993476 is a wasteful number, since it uses less digits than its factorization.

70993476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657360 (or 657352 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 70993476 is about 8425.7626361060. The cubic root of 70993476 is about 414.0690915984.

The spelling of 70993476 in words is "seventy million, nine hundred ninety-three thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 657347 1314694 1972041 2629388 3944082 5916123 7888164 11832246 17748369 23664492 35496738 70993476