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142203214 = 21075571193
BaseRepresentation
bin10000111100111…
…01100101001110
3100220120200010201
420132131211032
5242401000324
622035524114
73344464426
oct1036354516
9326520121
10142203214
11732a741a
123b75963a
13235cc11a
1414c59486
15c73e444
hex879d94e

142203214 has 16 divisors (see below), whose sum is σ = 215865648. Its totient is φ = 70251712.

The previous prime is 142203209. The next prime is 142203223. The reversal of 142203214 is 412302241.

It is a junction number, because it is equal to n+sod(n) for n = 142203191 and 142203200.

It is a congruent number.

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, 118602 + ... + 119794.

It is an arithmetic number, because the mean of its divisors is an integer number (13491603).

Almost surely, 2142203214 is an apocalyptic number.

142203214 is a deficient number, since it is larger than the sum of its proper divisors (73662434).

142203214 is a wasteful number, since it uses less digits than its factorization.

142203214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142203214 is about 11924.8989094248. The cubic root of 142203214 is about 521.9590965341.

Adding to 142203214 its reverse (412302241), we get a palindrome (554505455).

The spelling of 142203214 in words is "one hundred forty-two million, two hundred three thousand, two hundred fourteen".

Divisors: 1 2 107 214 557 1114 1193 2386 59599 119198 127651 255302 664501 1329002 71101607 142203214