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210042984 = 23314276133
BaseRepresentation
bin11001000010100…
…00000001101000
3112122020021210210
430201100001220
5412232333414
632501541120
75130223134
oct1441200150
9478207723
10210042984
11a8622448
125a4147a0
13346925b8
141dc783c4
151368ee59
hexc850068

210042984 has 32 divisors (see below), whose sum is σ = 525561120. Its totient is φ = 69953856.

The previous prime is 210042979. The next prime is 210043013. The reversal of 210042984 is 489240012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31182 + ... + 37314.

It is an arithmetic number, because the mean of its divisors is an integer number (16423785).

Almost surely, 2210042984 is an apocalyptic number.

210042984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

210042984 is an abundant number, since it is smaller than the sum of its proper divisors (315518136).

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

210042984 is a wasteful number, since it uses less digits than its factorization.

210042984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569 (or 7565 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 210042984 is about 14492.8597592056. The cubic root of 210042984 is about 594.4327470400.

Adding to 210042984 its reverse (489240012), we get a palindrome (699282996).

The spelling of 210042984 in words is "two hundred ten million, forty-two thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 1427 2854 4281 5708 6133 8562 11416 12266 17124 18399 24532 34248 36798 49064 73596 147192 8751791 17503582 26255373 35007164 52510746 70014328 105021492 210042984