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80283876 = 2236690323
BaseRepresentation
bin1001100100100…
…00100011100100
312121001211202220
410302100203210
5131023041001
611544432340
71663254531
oct462204344
9177054686
1080283876
1141355512
1222a786b0
131382c66a
14a93bd88
1570acc36
hex4c908e4

80283876 has 12 divisors (see below), whose sum is σ = 187329072. Its totient is φ = 26761288.

The previous prime is 80283871. The next prime is 80283887. The reversal of 80283876 is 67838208.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (80283871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345150 + ... + 3345173.

It is an arithmetic number, because the mean of its divisors is an integer number (15610756).

Almost surely, 280283876 is an apocalyptic number.

It is an amenable number.

80283876 is an abundant number, since it is smaller than the sum of its proper divisors (107045196).

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

80283876 is a wasteful number, since it uses less digits than its factorization.

80283876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690330 (or 6690328 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 80283876 is about 8960.1270080284. The cubic root of 80283876 is about 431.3959966091.

The spelling of 80283876 in words is "eighty million, two hundred eighty-three thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 12 6690323 13380646 20070969 26761292 40141938 80283876