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80372 = 2271283
BaseRepresentation
bin10011100111110100
311002020202
4103213310
510032442
61420032
7453215
oct234764
9132222
1080372
1155426
123a618
132a776
142140c
1518c32
hex139f4

80372 has 12 divisors (see below), whose sum is σ = 143136. Its totient is φ = 39480.

The previous prime is 80369. The next prime is 80387. The reversal of 80372 is 27308.

It is a congruent number.

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, 143 + ... + 425.

It is an arithmetic number, because the mean of its divisors is an integer number (11928).

280372 is an apocalyptic number.

It is a pronic number, being equal to 283×284.

It is an amenable number.

80372 is a deficient number, since it is larger than the sum of its proper divisors (62764).

80372 is a wasteful number, since it uses less digits than its factorization.

80372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 80372 is about 283.4995590825. The cubic root of 80372 is about 43.1553780220.

Adding to 80372 its product of nonzero digits (336), we get a palindrome (80708).

The spelling of 80372 in words is "eighty thousand, three hundred seventy-two".

Divisors: 1 2 4 71 142 283 284 566 1132 20093 40186 80372