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211952 = 24131019
BaseRepresentation
bin110011101111110000
3101202202002
4303233300
523240302
64313132
71541636
oct635760
9352662
10211952
11135274
12a27a8
1375620
1457356
1542c02
hex33bf0

211952 has 20 divisors (see below), whose sum is σ = 442680. Its totient is φ = 97728.

The previous prime is 211949. The next prime is 211969. The reversal of 211952 is 259112.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 302 + ... + 717.

It is an arithmetic number, because the mean of its divisors is an integer number (22134).

2211952 is an apocalyptic number.

It is an amenable number.

211952 is an abundant number, since it is smaller than the sum of its proper divisors (230728).

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

211952 is a wasteful number, since it uses less digits than its factorization.

211952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1034 counting only the distinct ones).

The product of its digits is 180, while the sum is 20.

The square root of 211952 is about 460.3824497089. The cubic root of 211952 is about 59.6228190627.

The spelling of 211952 in words is "two hundred eleven thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 1019 2038 4076 8152 13247 16304 26494 52988 105976 211952