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1142353305 = 325231103723
BaseRepresentation
bin100010000010110…
…1110110110011001
32221121112120010200
41010011232312121
54314420301210
6305204332413
740210562052
oct10405566631
92847476120
101142353305
11536912a45
1227a6a4109
1315288c702
14aba05729
156a4500c0
hex4416ed99

1142353305 has 24 divisors (see below), whose sum is σ = 2066171328. Its totient is φ = 582765216.

The previous prime is 1142353279. The next prime is 1142353307. The reversal of 1142353305 is 5033532411.

1142353305 is a `hidden beast` number, since 1 + 1 + 4 + 2 + 353 + 305 = 666.

It is not a de Polignac number, because 1142353305 - 26 = 1142353241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142353307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550827 + ... + 552896.

It is an arithmetic number, because the mean of its divisors is an integer number (86090472).

Almost surely, 21142353305 is an apocalyptic number.

1142353305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1142353305 is a deficient number, since it is larger than the sum of its proper divisors (923818023).

1142353305 is a wasteful number, since it uses less digits than its factorization.

1142353305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103757 (or 1103754 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1142353305 is about 33798.7175052545. The cubic root of 1142353305 is about 1045.3622531702.

Adding to 1142353305 its reverse (5033532411), we get a palindrome (6175885716).

The spelling of 1142353305 in words is "one billion, one hundred forty-two million, three hundred fifty-three thousand, three hundred five".

Divisors: 1 3 5 9 15 23 45 69 115 207 345 1035 1103723 3311169 5518615 9933507 16555845 25385629 49667535 76156887 126928145 228470661 380784435 1142353305