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143120734 = 2477320857
BaseRepresentation
bin10001000011111…
…01100101011110
3100222022021201221
420201331211132
5243114330414
622111323554
73355335421
oct1041754536
9328267657
10143120734
11738737a9
123bb205ba
1323860933
14150179b8
15c871224
hex887d95e

143120734 has 16 divisors (see below), whose sum is σ = 222262848. Its totient is φ = 69075072.

The previous prime is 143120689. The next prime is 143120753. The reversal of 143120734 is 437021341.

It is a junction number, because it is equal to n+sod(n) for n = 143120699 and 143120708.

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, 3567 + ... + 17290.

It is an arithmetic number, because the mean of its divisors is an integer number (13891428).

Almost surely, 2143120734 is an apocalyptic number.

143120734 is a deficient number, since it is larger than the sum of its proper divisors (79142114).

143120734 is a wasteful number, since it uses less digits than its factorization.

143120734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20979.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 143120734 is about 11963.3078201641. The cubic root of 143120734 is about 523.0792812189.

The spelling of 143120734 in words is "one hundred forty-three million, one hundred twenty thousand, seven hundred thirty-four".

Divisors: 1 2 47 73 94 146 3431 6862 20857 41714 980279 1522561 1960558 3045122 71560367 143120734