211240152 has 24 divisors (see below), whose sum is σ = 572108940. Its totient is φ = 70413360.

The previous prime is 211240151. The next prime is 211240153. The reversal of 211240152 is 251042112.

211240152 is a `hidden beast` number, since 211 + 2 + 401 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (211240151) and next prime (211240153).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211240151) 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 5 ways as a sum of consecutive naturals, for example, 1466874 + ... + 1467017.

Almost surely, 2^211240152 is an apocalyptic number.

It is an amenable number.

211240152 is an abundant number, since it is smaller than the sum of its proper divisors (360868788).

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

211240152 is a wasteful number, since it uses less digits than its factorization.

211240152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933903 (or 2933896 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 211240152 is about 14534.1030683011. The cubic root of 211240152 is about 595.5599577552.

Adding to 211240152 its reverse (251042112), we get a palindrome (462282264).

The spelling of 211240152 in words is "two hundred eleven million, two hundred forty thousand, one hundred fifty-two".