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213454042 = 2163654767
BaseRepresentation
bin11001011100100…
…00110011011010
3112212122120220021
430232100303122
5414121012132
633103021054
75201220664
oct1456206332
9485576807
10213454042
11aa5421aa
125b59a78a
13352b8089
14204c5534
1513b15997
hexcb90cda

213454042 has 8 divisors (see below), whose sum is σ = 322145856. Its totient is φ = 106072092.

The previous prime is 213454019. The next prime is 213454051. The reversal of 213454042 is 240454312.

It is a happy number.

213454042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2134540422 = 91125256092275528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213453998 and 213454016.

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, 327058 + ... + 327709.

It is an arithmetic number, because the mean of its divisors is an integer number (40268232).

Almost surely, 2213454042 is an apocalyptic number.

213454042 is a deficient number, since it is larger than the sum of its proper divisors (108691814).

213454042 is a wasteful number, since it uses less digits than its factorization.

213454042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654932.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 213454042 is about 14610.0664611767. The cubic root of 213454042 is about 597.6333083738.

The spelling of 213454042 in words is "two hundred thirteen million, four hundred fifty-four thousand, forty-two".

Divisors: 1 2 163 326 654767 1309534 106727021 213454042