Search a number
-
+
142770066 = 23193171569
BaseRepresentation
bin10001000001001…
…11111110010010
3100221122110201020
420200213332102
5243022120231
622100020310
73352345155
oct1040477622
9327573636
10142770066
117365429a
123b991696
132376a13a
1414d65c9c
15c802396
hex8827f92

142770066 has 64 divisors (see below), whose sum is σ = 315187200. Its totient is φ = 42940800.

The previous prime is 142770049. The next prime is 142770083. The reversal of 142770066 is 660077241.

142770066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142770049) and next prime (142770083).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250630 + ... + 251198.

It is an arithmetic number, because the mean of its divisors is an integer number (4924800).

Almost surely, 2142770066 is an apocalyptic number.

142770066 is an abundant number, since it is smaller than the sum of its proper divisors (172417134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142770066 is a wasteful number, since it uses less digits than its factorization.

142770066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 142770066 is about 11948.6428518054. The cubic root of 142770066 is about 522.6517233735.

The spelling of 142770066 in words is "one hundred forty-two million, seven hundred seventy thousand, sixty-six".

Divisors: 1 2 3 6 19 31 38 57 62 71 93 114 142 186 213 426 569 589 1138 1178 1349 1707 1767 2201 2698 3414 3534 4047 4402 6603 8094 10811 13206 17639 21622 32433 35278 40399 41819 52917 64866 80798 83638 105834 121197 125457 242394 250914 335141 670282 767581 1005423 1252369 1535162 2010846 2302743 2504738 3757107 4605486 7514214 23795011 47590022 71385033 142770066