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42069201 = 3312411877
BaseRepresentation
bin1010000001111…
…0110011010001
32221011100002120
42200132303101
541232203301
64101404453
71020403506
oct240366321
987140076
1042069201
1121824239
1212109729
13893c625
1458314ad
153a5ee36
hex281ecd1

42069201 has 16 divisors (see below), whose sum is σ = 58172928. Its totient is φ = 27014400.

The previous prime is 42069163. The next prime is 42069221. The reversal of 42069201 is 10296024.

It is not a de Polignac number, because 42069201 - 27 = 42069073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42069221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21475 + ... + 23351.

It is an arithmetic number, because the mean of its divisors is an integer number (3635808).

Almost surely, 242069201 is an apocalyptic number.

It is an amenable number.

42069201 is a deficient number, since it is larger than the sum of its proper divisors (16103727).

42069201 is a wasteful number, since it uses less digits than its factorization.

42069201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 42069201 is about 6486.0774740979. The cubic root of 42069201 is about 347.7934680840.

The spelling of 42069201 in words is "forty-two million, sixty-nine thousand, two hundred one".

Divisors: 1 3 31 93 241 723 1877 5631 7471 22413 58187 174561 452357 1357071 14023067 42069201