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42013351 = 195873767
BaseRepresentation
bin1010000001000…
…1001010100111
32221001111111001
42200101022213
541223411401
64100254131
71020051622
oct240211247
987044431
1042013351
1121796286
12120a1347
138920093
145818db9
153a4d601
hex28112a7

42013351 has 8 divisors (see below), whose sum is σ = 44311680. Its totient is φ = 39723768.

The previous prime is 42013343. The next prime is 42013393. The reversal of 42013351 is 15331024.

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 42013351 - 23 = 42013343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42013651) 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, 9270 + ... + 13036.

It is an arithmetic number, because the mean of its divisors is an integer number (5538960).

Almost surely, 242013351 is an apocalyptic number.

42013351 is a deficient number, since it is larger than the sum of its proper divisors (2298329).

42013351 is a wasteful number, since it uses less digits than its factorization.

42013351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 42013351 is about 6481.7706685751. The cubic root of 42013351 is about 347.6394926753.

Adding to 42013351 its reverse (15331024), we get a palindrome (57344375).

The spelling of 42013351 in words is "forty-two million, thirteen thousand, three hundred fifty-one".

Divisors: 1 19 587 3767 11153 71573 2211229 42013351