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42515414 = 261348487
BaseRepresentation
bin1010001000101…
…1101111010110
32222000000011222
42202023233112
541340443124
64115130342
71024242434
oct242135726
988000158
1042515414
1121aa9507
12122a39b2
138a67766
145909d54
153aec25e
hex288bbd6

42515414 has 8 divisors (see below), whose sum is σ = 64818768. Its totient is φ = 20909160.

The previous prime is 42515411. The next prime is 42515437. The reversal of 42515414 is 41451524.

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

It is a super-3 number, since 3×425154143 (a number of 24 digits) contains 333 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42515411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174122 + ... + 174365.

It is an arithmetic number, because the mean of its divisors is an integer number (8102346).

Almost surely, 242515414 is an apocalyptic number.

42515414 is a deficient number, since it is larger than the sum of its proper divisors (22303354).

42515414 is a wasteful number, since it uses less digits than its factorization.

42515414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348550.

The product of its digits is 3200, while the sum is 26.

The square root of 42515414 is about 6520.3844978651. The cubic root of 42515414 is about 349.0187864645.

Adding to 42515414 its reverse (41451524), we get a palindrome (83966938).

The spelling of 42515414 in words is "forty-two million, five hundred fifteen thousand, four hundred fourteen".

Divisors: 1 2 61 122 348487 696974 21257707 42515414