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143102097 = 3215900233
BaseRepresentation
bin10001000011110…
…01000010010001
3100222021100011200
420201321002101
5243113231342
622111101413
73355230165
oct1041710221
9328240150
10143102097
11738607a6
123bb11869
13238552c8
1415010ca5
15c86a94c
hex8879091

143102097 has 6 divisors (see below), whose sum is σ = 206703042. Its totient is φ = 95401392.

The previous prime is 143102093. The next prime is 143102111. The reversal of 143102097 is 790201341.

It can be written as a sum of positive squares in only one way, i.e., 98426241 + 44675856 = 9921^2 + 6684^2 .

It is not a de Polignac number, because 143102097 - 22 = 143102093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143102097.

It is not an unprimeable number, because it can be changed into a prime (143102093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7950108 + ... + 7950125.

It is an arithmetic number, because the mean of its divisors is an integer number (34450507).

Almost surely, 2143102097 is an apocalyptic number.

It is an amenable number.

143102097 is a deficient number, since it is larger than the sum of its proper divisors (63600945).

143102097 is a wasteful number, since it uses less digits than its factorization.

143102097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15900239 (or 15900236 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 143102097 is about 11962.5288714385. The cubic root of 143102097 is about 523.0565753269.

The spelling of 143102097 in words is "one hundred forty-three million, one hundred two thousand, ninety-seven".

Divisors: 1 3 9 15900233 47700699 143102097