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221014042 = 21719359953
BaseRepresentation
bin11010010110001…
…10100000011010
3120101212200021021
431023012200122
5423034422132
633533033054
75322405544
oct1513064032
9511780237
10221014042
11103836137
126202578a
1336a34152
14214d2694
151460a997
hexd2c681a

221014042 has 32 divisors (see below), whose sum is σ = 370915200. Its totient is φ = 98155008.

The previous prime is 221014037. The next prime is 221014049. The reversal of 221014042 is 240410122.

221014042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2210140422 = 97694413522355528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221014049) 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, 231438 + ... + 232390.

It is an arithmetic number, because the mean of its divisors is an integer number (11591100).

Almost surely, 2221014042 is an apocalyptic number.

221014042 is a deficient number, since it is larger than the sum of its proper divisors (149901158).

221014042 is a wasteful number, since it uses less digits than its factorization.

221014042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 221014042 is about 14866.5410233854. The cubic root of 221014042 is about 604.6071643285.

Adding to 221014042 its reverse (240410122), we get a palindrome (461424164).

The spelling of 221014042 in words is "two hundred twenty-one million, fourteen thousand, forty-two".

Divisors: 1 2 17 19 34 38 323 359 646 718 953 1906 6103 6821 12206 13642 16201 18107 32402 36214 115957 231914 307819 342127 615638 684254 5816159 6500413 11632318 13000826 110507021 221014042