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420297 = 3294831
BaseRepresentation
bin1100110100111001001
3210100112120
41212213021
5101422142
613001453
73400233
oct1464711
9710476
10420297
11267859
12183289
131193c7
14ad253
15847ec
hex669c9

420297 has 8 divisors (see below), whose sum is σ = 579840. Its totient is φ = 270480.

The previous prime is 420293. The next prime is 420307. The reversal of 420297 is 792024.

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

It is not a de Polignac number, because 420297 - 22 = 420293 is a prime.

420297 is a modest number, since divided by 297 gives 42 as remainder.

It is not an unprimeable number, because it can be changed into a prime (420293) 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, 2329 + ... + 2502.

It is an arithmetic number, because the mean of its divisors is an integer number (72480).

2420297 is an apocalyptic number.

It is an amenable number.

420297 is a deficient number, since it is larger than the sum of its proper divisors (159543).

420297 is a wasteful number, since it uses less digits than its factorization.

420297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 420297 is about 648.3031698210. The cubic root of 420297 is about 74.9063720550.

It can be divided in two parts, 420 and 297, that added together give a palindrome (717).

The spelling of 420297 in words is "four hundred twenty thousand, two hundred ninety-seven".

Divisors: 1 3 29 87 4831 14493 140099 420297