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2420453 = 72471051
BaseRepresentation
bin1001001110111011100101
311112222020102
421032323211
51104423303
6123513445
726400500
oct11167345
94488212
102420453
111403582
12988885
13669929
14470137
1532c288
hex24eee5

2420453 has 12 divisors (see below), whose sum is σ = 2878272. Its totient is φ = 2028600.

The previous prime is 2420423. The next prime is 2420459. The reversal of 2420453 is 3540242.

It is not a de Polignac number, because 2420453 - 214 = 2404069 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1778 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (239856).

22420453 is an apocalyptic number.

It is an amenable number.

2420453 is a deficient number, since it is larger than the sum of its proper divisors (457819).

2420453 is a wasteful number, since it uses less digits than its factorization.

2420453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2420453 is about 1555.7805115118. The cubic root of 2420453 is about 134.2658455913.

Adding to 2420453 its reverse (3540242), we get a palindrome (5960695).

The spelling of 2420453 in words is "two million, four hundred twenty thousand, four hundred fifty-three".

Divisors: 1 7 47 49 329 1051 2303 7357 49397 51499 345779 2420453