Search a number
-
+
142772996 = 221093171033
BaseRepresentation
bin10001000001010…
…00101100000100
3100221122121201202
420200220230010
5243022213441
622100042032
73352356542
oct1040505404
9327577652
10142772996
1173656513
123b993318
132376b582
1414d66d92
15c80319b
hex8828b04

142772996 has 24 divisors (see below), whose sum is σ = 253185240. Its totient is φ = 70440192.

The previous prime is 142772951. The next prime is 142773013. The reversal of 142772996 is 699277241.

It can be written as a sum of positive squares in 4 ways, for example, as 35236096 + 107536900 = 5936^2 + 10370^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142772996.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137696 + ... + 138728.

It is an arithmetic number, because the mean of its divisors is an integer number (10549385).

Almost surely, 2142772996 is an apocalyptic number.

It is an amenable number.

142772996 is a deficient number, since it is larger than the sum of its proper divisors (110412244).

142772996 is a wasteful number, since it uses less digits than its factorization.

142772996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1461 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 142772996 is about 11948.7654592431. The cubic root of 142772996 is about 522.6552987240.

The spelling of 142772996 in words is "one hundred forty-two million, seven hundred seventy-two thousand, nine hundred ninety-six".

Divisors: 1 2 4 109 218 317 436 634 1033 1268 2066 4132 34553 69106 112597 138212 225194 327461 450388 654922 1309844 35693249 71386498 142772996