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42967421 = 721532851
BaseRepresentation
bin1010001111101…
…0000101111101
32222211222012222
42203322011331
541444424141
64132535125
71031134310
oct243720575
988758188
1042967421
1122288072
12124814a5
138b95413
1459c6977
153b8b14b
hex28fa17d

42967421 has 8 divisors (see below), whose sum is σ = 49145664. Its totient is φ = 36799200.

The previous prime is 42967387. The next prime is 42967423. The reversal of 42967421 is 12476924.

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 42967421 - 210 = 42966397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42967423) 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, 13646 + ... + 16496.

It is an arithmetic number, because the mean of its divisors is an integer number (6143208).

Almost surely, 242967421 is an apocalyptic number.

It is an amenable number.

42967421 is a deficient number, since it is larger than the sum of its proper divisors (6178243).

42967421 is a wasteful number, since it uses less digits than its factorization.

42967421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011.

The product of its digits is 24192, while the sum is 35.

The square root of 42967421 is about 6554.9539281371. The cubic root of 42967421 is about 350.2513052302.

The spelling of 42967421 in words is "forty-two million, nine hundred sixty-seven thousand, four hundred twenty-one".

Divisors: 1 7 2153 2851 15071 19957 6138203 42967421