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4200135 = 35280009
BaseRepresentation
bin10000000001011011000111
321220101111120
4100001123013
52033401020
6230005023
750462202
oct20013307
97811446
104200135
112409695
1214a6773
13b409b4
147b4939
1557e740
hex4016c7

4200135 has 8 divisors (see below), whose sum is σ = 6720240. Its totient is φ = 2240064.

The previous prime is 4200127. The next prime is 4200137. The reversal of 4200135 is 5310024.

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

It is not a de Polignac number, because 4200135 - 23 = 4200127 is a prime.

It is a super-2 number, since 2×42001352 = 35282268036450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 280009 = 4200135 / (4 + 2 + 0 + 0 + 1 + 3 + 5).

4200135 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200137) 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, 139990 + ... + 140019.

It is an arithmetic number, because the mean of its divisors is an integer number (840030).

Almost surely, 24200135 is an apocalyptic number.

4200135 is a deficient number, since it is larger than the sum of its proper divisors (2520105).

4200135 is a wasteful number, since it uses less digits than its factorization.

4200135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280017.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 4200135 is about 2049.4230895547. The cubic root of 4200135 is about 161.3445932575.

Adding to 4200135 its reverse (5310024), we get a palindrome (9510159).

The spelling of 4200135 in words is "four million, two hundred thousand, one hundred thirty-five".

Divisors: 1 3 5 15 280009 840027 1400045 4200135