Search a number
-
+
70185368 = 2311797561
BaseRepresentation
bin1000010111011…
…11000110011000
311220001210020002
410023233012120
5120431412433
610544152132
71511365031
oct413570630
9156053202
1070185368
1136688340
121b608648
1311705006
14946da88
1562659e8
hex42ef198

70185368 has 16 divisors (see below), whose sum is σ = 143561160. Its totient is φ = 31902400.

The previous prime is 70185361. The next prime is 70185389. The reversal of 70185368 is 86358107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70185361) 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 3 ways as a sum of consecutive naturals, for example, 398693 + ... + 398868.

Almost surely, 270185368 is an apocalyptic number.

It is an amenable number.

70185368 is an abundant number, since it is smaller than the sum of its proper divisors (73375792).

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

70185368 is a wasteful number, since it uses less digits than its factorization.

70185368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797578 (or 797574 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 70185368 is about 8377.6707980202. The cubic root of 70185368 is about 412.4919971511.

The spelling of 70185368 in words is "seventy million, one hundred eighty-five thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 797561 1595122 3190244 6380488 8773171 17546342 35092684 70185368