Search a number
-
+
145250706 = 23191274129
BaseRepresentation
bin10001010100001…
…01100110010010
3101010022111111210
420222011212102
5244141010311
622225120550
73412416306
oct1052054622
9333274453
10145250706
1174a99007
1240789156
1324128283
141540dd06
15cb423a6
hex8a85992

145250706 has 16 divisors (see below), whose sum is σ = 305791200. Its totient is φ = 45868608.

The previous prime is 145250701. The next prime is 145250719. The reversal of 145250706 is 607052541.

It is not an unprimeable number, because it can be changed into a prime (145250701) by changing a digit.

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, 636951 + ... + 637178.

It is an arithmetic number, because the mean of its divisors is an integer number (19111950).

Almost surely, 2145250706 is an apocalyptic number.

145250706 is an abundant number, since it is smaller than the sum of its proper divisors (160540494).

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

145250706 is a wasteful number, since it uses less digits than its factorization.

145250706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274153.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 145250706 is about 12052.0000829738. Note that the first 4 decimals coincide. The cubic root of 145250706 is about 525.6613959009.

The spelling of 145250706 in words is "one hundred forty-five million, two hundred fifty thousand, seven hundred six".

Divisors: 1 2 3 6 19 38 57 114 1274129 2548258 3822387 7644774 24208451 48416902 72625353 145250706