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210032123 = 7297191439
BaseRepresentation
bin11001000010011…
…01010111111011
3112122012201220112
430201031113323
5412232011443
632501414535
75130146360
oct1441152773
9478181815
10210032123
11a8615274
125a40a44b
133468a682
141dc74467
151368bb18
hexc84d5fb

210032123 has 16 divisors (see below), whose sum is σ = 248832000. Its totient is φ = 173457312.

The previous prime is 210032117. The next prime is 210032131. The reversal of 210032123 is 321230012.

It is a happy number.

It is not a de Polignac number, because 210032123 - 24 = 210032107 is a prime.

It is a super-2 number, since 2×2100321232 = 88226985383774258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210032098 and 210032107.

It is not an unprimeable number, because it can be changed into a prime (210032423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145238 + ... + 146676.

It is an arithmetic number, because the mean of its divisors is an integer number (15552000).

Almost surely, 2210032123 is an apocalyptic number.

210032123 is a deficient number, since it is larger than the sum of its proper divisors (38799877).

210032123 is a wasteful number, since it uses less digits than its factorization.

210032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 210032123 is about 14492.4850526057. The cubic root of 210032123 is about 594.4225011287.

Adding to 210032123 its reverse (321230012), we get a palindrome (531262135).

The spelling of 210032123 in words is "two hundred ten million, thirty-two thousand, one hundred twenty-three".

Divisors: 1 7 29 203 719 1439 5033 10073 20851 41731 145957 292117 1034641 7242487 30004589 210032123