Search a number
-
+
143872054 = 21731136501
BaseRepresentation
bin10001001001101…
…01000000110110
3101000201110100121
420210311000312
5243312401204
622135402154
73364615024
oct1044650066
9330643317
10143872054
1174237227
124022335a
1323a648c1
1415171714
15c96db54
hex8935036

143872054 has 16 divisors (see below), whose sum is σ = 235875456. Its totient is φ = 65520000.

The previous prime is 143872033. The next prime is 143872063. The reversal of 143872054 is 450278341.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67197 + ... + 69304.

It is an arithmetic number, because the mean of its divisors is an integer number (14742216).

Almost surely, 2143872054 is an apocalyptic number.

143872054 is a deficient number, since it is larger than the sum of its proper divisors (92003402).

143872054 is a wasteful number, since it uses less digits than its factorization.

143872054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136551.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 143872054 is about 11994.6677319549. The cubic root of 143872054 is about 523.9929951669.

The spelling of 143872054 in words is "one hundred forty-three million, eight hundred seventy-two thousand, fifty-four".

Divisors: 1 2 17 31 34 62 527 1054 136501 273002 2320517 4231531 4641034 8463062 71936027 143872054