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223552042 = 2723694261
BaseRepresentation
bin11010101001100…
…10001000101010
3120120122121202021
431110302020222
5424212131132
634103255054
75353106140
oct1524621052
9516577667
10223552042
11105209a5a
1262a4a48a
133741241c
1421993590
151495c997
hexd53222a

223552042 has 16 divisors (see below), whose sum is σ = 399894912. Its totient is φ = 91642320.

The previous prime is 223552037. The next prime is 223552051. The reversal of 223552042 is 240255322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 223551998 and 223552016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346809 + ... + 347452.

It is an arithmetic number, because the mean of its divisors is an integer number (24993432).

Almost surely, 2223552042 is an apocalyptic number.

223552042 is a deficient number, since it is larger than the sum of its proper divisors (176342870).

223552042 is a wasteful number, since it uses less digits than its factorization.

223552042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694293.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 223552042 is about 14951.6568312679. The cubic root of 223552042 is about 606.9126836343.

The spelling of 223552042 in words is "two hundred twenty-three million, five hundred fifty-two thousand, forty-two".

Divisors: 1 2 7 14 23 46 161 322 694261 1388522 4859827 9719654 15968003 31936006 111776021 223552042