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800148148 = 221811105177
BaseRepresentation
bin101111101100010…
…100101010110100
32001202121201220121
4233230110222310
53114314220043
6211221541324
725554101302
oct5754245264
92052551817
10800148148
11380732168
121a3b74844
13c9a05457
14783a7272
154a3a5ded
hex2fb14ab4

800148148 has 12 divisors (see below), whose sum is σ = 1407996772. Its totient is φ = 397863360.

The previous prime is 800148143. The next prime is 800148157. The reversal of 800148148 is 841841008.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 423865744 + 376282404 = 20588^2 + 19398^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

800148148 is a modest number, since divided by 148148 gives 800 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800148143) 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, 551865 + ... + 553312.

Almost surely, 2800148148 is an apocalyptic number.

It is an amenable number.

800148148 is a deficient number, since it is larger than the sum of its proper divisors (607848624).

800148148 is a wasteful number, since it uses less digits than its factorization.

800148148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105362 (or 1105360 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 800148148 is about 28286.8900376128. The cubic root of 800148148 is about 928.3750666942.

The spelling of 800148148 in words is "eight hundred million, one hundred forty-eight thousand, one hundred forty-eight".

Divisors: 1 2 4 181 362 724 1105177 2210354 4420708 200037037 400074074 800148148