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80214148 = 2274760953
BaseRepresentation
bin1001100011111…
…11100010000100
312120221022010101
410301333202010
5131013323043
611543133444
71662544330
oct461774204
9176838111
1080214148
1141308093
1222a44284
13138069c1
14a9207c0
15709724d
hex4c7f884

80214148 has 24 divisors (see below), whose sum is σ = 163844352. Its totient is φ = 33645504.

The previous prime is 80214131. The next prime is 80214149. The reversal of 80214148 is 84141208.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (80214149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29161 + ... + 31792.

It is an arithmetic number, because the mean of its divisors is an integer number (6826848).

Almost surely, 280214148 is an apocalyptic number.

It is an amenable number.

80214148 is an abundant number, since it is smaller than the sum of its proper divisors (83630204).

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

80214148 is a wasteful number, since it uses less digits than its factorization.

80214148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61011 (or 61009 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 80214148 is about 8956.2351465334. The cubic root of 80214148 is about 431.2710686899.

The spelling of 80214148 in words is "eighty million, two hundred fourteen thousand, one hundred forty-eight".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 60953 121906 243812 426671 853342 1706684 2864791 5729582 11459164 20053537 40107074 80214148