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268881442 = 23712232971
BaseRepresentation
bin10000000001101…
…100111000100010
3200201221120222221
4100001230320202
51022313201232
642403021254
76443311624
oct2001547042
9621846887
10268881442
1112885a675
127606a82a
134392395b
14279d2c14
1518913897
hex1006ce22

268881442 has 16 divisors (see below), whose sum is σ = 414700992. Its totient is φ = 130656240.

The previous prime is 268881433. The next prime is 268881443. The reversal of 268881442 is 244188862.

It is not an unprimeable number, because it can be changed into a prime (268881443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89017 + ... + 91987.

It is an arithmetic number, because the mean of its divisors is an integer number (25918812).

Almost surely, 2268881442 is an apocalyptic number.

268881442 is a deficient number, since it is larger than the sum of its proper divisors (145819550).

268881442 is a wasteful number, since it uses less digits than its factorization.

268881442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233.

The product of its digits is 196608, while the sum is 43.

The square root of 268881442 is about 16397.6047641111. The cubic root of 268881442 is about 645.4366308241.

The spelling of 268881442 in words is "two hundred sixty-eight million, eight hundred eighty-one thousand, four hundred forty-two".

Divisors: 1 2 37 74 1223 2446 2971 5942 45251 90502 109927 219854 3633533 7267066 134440721 268881442