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180879340 = 2259043967
BaseRepresentation
bin10101100011111…
…11111111101100
3110121100121210211
422301333333230
5332301114330
625540512204
74324310005
oct1261777754
9417317724
10180879340
1193113364
12506ab664
132b6211c5
141a0461ac
1510d2dd2a
hexac7ffec

180879340 has 12 divisors (see below), whose sum is σ = 379846656. Its totient is φ = 72351728.

The previous prime is 180879329. The next prime is 180879353. The reversal of 180879340 is 43978081.

It is a junction number, because it is equal to n+sod(n) for n = 180879293 and 180879302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4521964 + ... + 4522003.

It is an arithmetic number, because the mean of its divisors is an integer number (31653888).

Almost surely, 2180879340 is an apocalyptic number.

180879340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180879340 is an abundant number, since it is smaller than the sum of its proper divisors (198967316).

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

180879340 is a wasteful number, since it uses less digits than its factorization.

180879340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9043976 (or 9043974 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 180879340 is about 13449.1390058992. The cubic root of 180879340 is about 565.5395581898.

The spelling of 180879340 in words is "one hundred eighty million, eight hundred seventy-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 9043967 18087934 36175868 45219835 90439670 180879340