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80748230 = 2519940577
BaseRepresentation
bin1001101000000…
…01111011000110
312121221102202012
410310001323012
5131132420410
612002414222
72000230403
oct464017306
9177842665
1080748230
1141642382
1223061372
1313962b24
14aa1d2aa
157150605
hex4d01ec6

80748230 has 16 divisors (see below), whose sum is σ = 146080800. Its totient is φ = 32136192.

The previous prime is 80748179. The next prime is 80748257. The reversal of 80748230 is 3284708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18299 + ... + 22278.

It is an arithmetic number, because the mean of its divisors is an integer number (9130050).

Almost surely, 280748230 is an apocalyptic number.

80748230 is a deficient number, since it is larger than the sum of its proper divisors (65332570).

80748230 is a wasteful number, since it uses less digits than its factorization.

80748230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40783.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 80748230 is about 8986.0018918315. The cubic root of 80748230 is about 432.2261154805.

The spelling of 80748230 in words is "eighty million, seven hundred forty-eight thousand, two hundred thirty".

Divisors: 1 2 5 10 199 398 995 1990 40577 81154 202885 405770 8074823 16149646 40374115 80748230