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42101401 = 175874219
BaseRepresentation
bin1010000010011…
…0101010011001
32221012222021011
42200212222121
541234221101
64102213521
71020566416
oct240465231
987188234
1042101401
1121846451
12121242a1
138951194
14583d10d
153a69751
hex2826a99

42101401 has 8 divisors (see below), whose sum is σ = 44664480. Its totient is φ = 39547968.

The previous prime is 42101399. The next prime is 42101419. The reversal of 42101401 is 10410124.

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 42101401 - 21 = 42101399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42101471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7870 + ... + 12088.

It is an arithmetic number, because the mean of its divisors is an integer number (5583060).

Almost surely, 242101401 is an apocalyptic number.

It is an amenable number.

42101401 is a deficient number, since it is larger than the sum of its proper divisors (2563079).

42101401 is a wasteful number, since it uses less digits than its factorization.

42101401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 42101401 is about 6488.5592391532. The cubic root of 42101401 is about 347.8821798048.

Adding to 42101401 its reverse (10410124), we get a palindrome (52511525).

The spelling of 42101401 in words is "forty-two million, one hundred one thousand, four hundred one".

Divisors: 1 17 587 4219 9979 71723 2476553 42101401