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214952652 = 223220872861
BaseRepresentation
bin11001100111111…
…10101011001100
3112222110201121100
430303332223030
5420011441102
633155103100
75220032055
oct1463765314
9488421540
10214952652
11100376122
125bba1a90
13356c1225
142079572c
1513d0ea1c
hexccfeacc

214952652 has 36 divisors (see below), whose sum is σ = 543802896. Its totient is φ = 71591520.

The previous prime is 214952609. The next prime is 214952671. The reversal of 214952652 is 256259412.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73702 + ... + 76562.

It is an arithmetic number, because the mean of its divisors is an integer number (15105636).

Almost surely, 2214952652 is an apocalyptic number.

It is an amenable number.

214952652 is an abundant number, since it is smaller than the sum of its proper divisors (328850244).

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

214952652 is a wasteful number, since it uses less digits than its factorization.

214952652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958 (or 4953 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 214952652 is about 14661.2636563156. The cubic root of 214952652 is about 599.0286616850.

The spelling of 214952652 in words is "two hundred fourteen million, nine hundred fifty-two thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 2087 2861 4174 5722 6261 8348 8583 11444 12522 17166 18783 25044 25749 34332 37566 51498 75132 102996 5970907 11941814 17912721 23883628 35825442 53738163 71650884 107476326 214952652