Search a number
-
+
143982968 = 2317997871
BaseRepresentation
bin10001001010100…
…00000101111000
3101000221002111112
420211100011320
5243324423333
622142015452
73365556263
oct1045200570
9330832445
10143982968
1174302598
1240277588
1323aa322c
141519dcda
15c991948
hex8950178

143982968 has 8 divisors (see below), whose sum is σ = 269968080. Its totient is φ = 71991480.

The previous prime is 143982929. The next prime is 143982983. The reversal of 143982968 is 869289341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8998928 + ... + 8998943.

It is an arithmetic number, because the mean of its divisors is an integer number (33746010).

Almost surely, 2143982968 is an apocalyptic number.

It is an amenable number.

143982968 is a deficient number, since it is larger than the sum of its proper divisors (125985112).

143982968 is a wasteful number, since it uses less digits than its factorization.

143982968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17997877 (or 17997873 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 143982968 is about 11999.2903123476. The cubic root of 143982968 is about 524.1276129958.

The spelling of 143982968 in words is "one hundred forty-three million, nine hundred eighty-two thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 17997871 35995742 71991484 143982968