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206442152 = 23717216851
BaseRepresentation
bin11000100111000…
…00111010101000
3112101110100101122
430103200322220
5410322122102
632252434412
75054505110
oct1423407250
9471410348
10206442152
11a6593054
1259178a08
1333a01627
141d5bc040
15131cd0a2
hexc4e0ea8

206442152 has 32 divisors (see below), whose sum is σ = 468400320. Its totient is φ = 83270400.

The previous prime is 206442133. The next prime is 206442157. The reversal of 206442152 is 251244602.

It is a super-2 number, since 2×2064421522 = 85236724244782208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206442157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107474 + ... + 109377.

It is an arithmetic number, because the mean of its divisors is an integer number (14637510).

Almost surely, 2206442152 is an apocalyptic number.

It is an amenable number.

206442152 is an abundant number, since it is smaller than the sum of its proper divisors (261958168).

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

206442152 is a wasteful number, since it uses less digits than its factorization.

206442152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216881 (or 216877 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 206442152 is about 14368.0949328712. The cubic root of 206442152 is about 591.0163006566.

Adding to 206442152 its reverse (251244602), we get a palindrome (457686754).

The spelling of 206442152 in words is "two hundred six million, four hundred forty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 216851 433702 867404 1517957 1734808 3035914 3686467 6071828 7372934 12143656 14745868 25805269 29491736 51610538 103221076 206442152