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80476140 = 22351737753
BaseRepresentation
bin1001100101111…
…11011111101100
312121102121111210
410302333133230
5131100214030
611552514420
71665015213
oct462773754
9177377453
1080476140
1141476a08
1222b4ba10
1313899024
14a98c07a
1570e9bb0
hex4cbf7ec

80476140 has 48 divisors (see below), whose sum is σ = 226664928. Its totient is φ = 21333504.

The previous prime is 80476139. The next prime is 80476171. The reversal of 80476140 is 4167408.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 80476098 and 80476107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6504 + ... + 14256.

It is an arithmetic number, because the mean of its divisors is an integer number (4722186).

Almost surely, 280476140 is an apocalyptic number.

It is an amenable number.

80476140 is an abundant number, since it is smaller than the sum of its proper divisors (146188788).

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

80476140 is a wasteful number, since it uses less digits than its factorization.

80476140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938 (or 7936 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 80476140 is about 8970.8494581060. The cubic root of 80476140 is about 431.7400914308.

The spelling of 80476140 in words is "eighty million, four hundred seventy-six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 173 346 519 692 865 1038 1730 2076 2595 3460 5190 7753 10380 15506 23259 31012 38765 46518 77530 93036 116295 155060 232590 465180 1341269 2682538 4023807 5365076 6706345 8047614 13412690 16095228 20119035 26825380 40238070 80476140