Search a number
-
+
153993212 = 2241938983
BaseRepresentation
bin10010010110110…
…11111111111100
3101201202122222022
421023123333330
5303410240322
623140335312
73546630542
oct1113337774
9351678868
10153993212
1179a1a41a
12436a4538
1325b99659
1416647d92
15d7bc942
hex92dbffc

153993212 has 12 divisors (see below), whose sum is σ = 276061296. Its totient is φ = 75118560.

The previous prime is 153993209. The next prime is 153993227. The reversal of 153993212 is 212399351.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469328 + ... + 469655.

It is an arithmetic number, because the mean of its divisors is an integer number (23005108).

Almost surely, 2153993212 is an apocalyptic number.

It is an amenable number.

153993212 is a deficient number, since it is larger than the sum of its proper divisors (122068084).

153993212 is a wasteful number, since it uses less digits than its factorization.

153993212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939028 (or 939026 counting only the distinct ones).

The product of its digits is 14580, while the sum is 35.

The square root of 153993212 is about 12409.4001466630. The cubic root of 153993212 is about 536.0029655661.

The spelling of 153993212 in words is "one hundred fifty-three million, nine hundred ninety-three thousand, two hundred twelve".

Divisors: 1 2 4 41 82 164 938983 1877966 3755932 38498303 76996606 153993212