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42401412 = 22325919963
BaseRepresentation
bin1010000110111…
…1111010000100
32221210012210200
42201233322010
541323321122
64112450500
71023256164
oct241577204
987705720
1042401412
1121a30899
1212249a30
138a278c1
1458ba5a4
153ac85ac
hex286fe84

42401412 has 36 divisors (see below), whose sum is σ = 109003440. Its totient is φ = 13893552.

The previous prime is 42401399. The next prime is 42401423. The reversal of 42401412 is 21410424.

42401412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7858 + ... + 12105.

Almost surely, 242401412 is an apocalyptic number.

It is an amenable number.

42401412 is an abundant number, since it is smaller than the sum of its proper divisors (66602028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42401412 is a wasteful number, since it uses less digits than its factorization.

42401412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20032 (or 20027 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 42401412 is about 6511.6366606253. The cubic root of 42401412 is about 348.7065510291.

Adding to 42401412 its reverse (21410424), we get a palindrome (63811836).

The spelling of 42401412 in words is "forty-two million, four hundred one thousand, four hundred twelve".