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211141442 = 2787913399
BaseRepresentation
bin11001001010111…
…00001101000010
3112201022002121102
430211130031002
5413023011232
632541254402
75142446501
oct1445341502
9481262542
10211141442
11a9202766
125a864402
1334988585
1420082838
151380a662
hexc95c342

211141442 has 8 divisors (see below), whose sum is σ = 316776000. Its totient is φ = 105549444.

The previous prime is 211141439. The next prime is 211141507. The reversal of 211141442 is 244141112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9059 + ... + 22457.

It is an arithmetic number, because the mean of its divisors is an integer number (39597000).

Almost surely, 2211141442 is an apocalyptic number.

211141442 is a deficient number, since it is larger than the sum of its proper divisors (105634558).

211141442 is a wasteful number, since it uses less digits than its factorization.

211141442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21280.

The product of its digits is 256, while the sum is 20.

The square root of 211141442 is about 14530.7068651184. The cubic root of 211141442 is about 595.4671772837.

Adding to 211141442 its reverse (244141112), we get a palindrome (455282554).

The spelling of 211141442 in words is "two hundred eleven million, one hundred forty-one thousand, four hundred forty-two".

Divisors: 1 2 7879 13399 15758 26798 105570721 211141442