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42368401 = 167253703
BaseRepresentation
bin1010000110011…
…1110110010001
32221201112112001
42201213312101
541321242101
64112034001
71023061015
oct241476621
987645461
1042368401
1121a09009
1212232901
138a1587a
1458ac545
153abd901
hex2867d91

42368401 has 4 divisors (see below), whose sum is σ = 42622272. Its totient is φ = 42114532.

The previous prime is 42368399. The next prime is 42368407. The reversal of 42368401 is 10486324.

42368401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42368401 - 21 = 42368399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42368401.

It is not an unprimeable number, because it can be changed into a prime (42368407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 126685 + ... + 127018.

It is an arithmetic number, because the mean of its divisors is an integer number (10655568).

Almost surely, 242368401 is an apocalyptic number.

It is an amenable number.

42368401 is a deficient number, since it is larger than the sum of its proper divisors (253871).

42368401 is a wasteful number, since it uses less digits than its factorization.

42368401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253870.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 42368401 is about 6509.1013972744. The cubic root of 42368401 is about 348.6160340708.

The spelling of 42368401 in words is "forty-two million, three hundred sixty-eight thousand, four hundred one".

Divisors: 1 167 253703 42368401