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211432030 = 2521143203
BaseRepresentation
bin11001001101000…
…11001001011110
3112201211212012221
430212203021132
5413111311110
632551415554
75145066625
oct1446431136
9481755187
10211432030
11a9391017
125a9845ba
1334a5a914
142011a6bc
15138667da
hexc9a325e

211432030 has 8 divisors (see below), whose sum is σ = 380577672. Its totient is φ = 84572808.

The previous prime is 211432021. The next prime is 211432051. The reversal of 211432030 is 30234112.

It is a happy number.

211432030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 211431995 and 211432013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10571592 + ... + 10571611.

It is an arithmetic number, because the mean of its divisors is an integer number (47572209).

Almost surely, 2211432030 is an apocalyptic number.

211432030 is a deficient number, since it is larger than the sum of its proper divisors (169145642).

211432030 is a wasteful number, since it uses less digits than its factorization.

211432030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21143210.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 211432030 is about 14540.7025277323. The cubic root of 211432030 is about 595.7402269414.

Adding to 211432030 its reverse (30234112), we get a palindrome (241666142).

The spelling of 211432030 in words is "two hundred eleven million, four hundred thirty-two thousand, thirty".

Divisors: 1 2 5 10 21143203 42286406 105716015 211432030