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283421001 = 394799761
BaseRepresentation
bin10000111001001…
…010100101001001
3201202022021112010
4100321022211021
51040023433001
644042410133
710011016203
oct2071124511
9652267463
10283421001
11135a90436
127ab00949
1346944846
14298d9773
1519d368d6
hex10e4a949

283421001 has 8 divisors (see below), whose sum is σ = 378297504. Its totient is φ = 188745920.

The previous prime is 283420997. The next prime is 283421011. The reversal of 283421001 is 100124382.

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

It is a cyclic number.

It is not a de Polignac number, because 283421001 - 22 = 283420997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (283421011) 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, 47040 + ... + 52721.

It is an arithmetic number, because the mean of its divisors is an integer number (47287188).

Almost surely, 2283421001 is an apocalyptic number.

It is an amenable number.

283421001 is a deficient number, since it is larger than the sum of its proper divisors (94876503).

283421001 is an equidigital number, since it uses as much as digits as its factorization.

283421001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100711.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 283421001 is about 16835.1121469386. The cubic root of 283421001 is about 656.8668463317.

Adding to 283421001 its reverse (100124382), we get a palindrome (383545383).

The spelling of 283421001 in words is "two hundred eighty-three million, four hundred twenty-one thousand, one".

Divisors: 1 3 947 2841 99761 299283 94473667 283421001