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142030550 = 2528833217
BaseRepresentation
bin10000111011100…
…11011011010110
3100220020220021202
420131303123112
5242324434200
622032112502
73343145144
oct1035633326
9326226252
10142030550
1173199722
123b695732
132356b65c
1414c12594
15c7081d5
hex87736d6

142030550 has 24 divisors (see below), whose sum is σ = 264558216. Its totient is φ = 56730240.

The previous prime is 142030517. The next prime is 142030621. The reversal of 142030550 is 55030241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42542 + ... + 45758.

It is an arithmetic number, because the mean of its divisors is an integer number (11023259).

Almost surely, 2142030550 is an apocalyptic number.

142030550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142030550 is a deficient number, since it is larger than the sum of its proper divisors (122527666).

142030550 is a wasteful number, since it uses less digits than its factorization.

142030550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112 (or 4107 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 142030550 is about 11917.6570684007. The cubic root of 142030550 is about 521.7477556797.

Adding to 142030550 its reverse (55030241), we get a palindrome (197060791).

The spelling of 142030550 in words is "one hundred forty-two million, thirty thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 883 1766 3217 4415 6434 8830 16085 22075 32170 44150 80425 160850 2840611 5681222 14203055 28406110 71015275 142030550