Search a number
-
+
146044031 = 7127164279
BaseRepresentation
bin10001011010001…
…11010001111111
3101011210210202012
420231013101333
5244341402111
622254121435
73422232230
oct1055072177
9334723665
10146044031
1175490051
1240ab027b
13243453b3
1415579087
15cc4c48b
hex8b4747f

146044031 has 8 divisors (see below), whose sum is σ = 168222720. Its totient is φ = 124194168.

The previous prime is 146044027. The next prime is 146044037. The reversal of 146044031 is 130440641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146044031 - 22 = 146044027 is a prime.

It is a super-2 number, since 2×1460440312 = 42657717981457922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146043988 and 146044006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146044037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81251 + ... + 83028.

It is an arithmetic number, because the mean of its divisors is an integer number (21027840).

Almost surely, 2146044031 is an apocalyptic number.

146044031 is a deficient number, since it is larger than the sum of its proper divisors (22178689).

146044031 is a wasteful number, since it uses less digits than its factorization.

146044031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164413.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 146044031 is about 12084.8678519875. The cubic root of 146044031 is about 526.6166715793.

Adding to 146044031 its reverse (130440641), we get a palindrome (276484672).

The spelling of 146044031 in words is "one hundred forty-six million, forty-four thousand, thirty-one".

Divisors: 1 7 127 889 164279 1149953 20863433 146044031