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8100148 = 227289291
BaseRepresentation
bin11110111001100100110100
3120020112022111
4132321210310
54033201043
6445340404
7125564410
oct36714464
916215274
108100148
114632841
122867704
1318a7bb4
14110bd40
15aa009d
hex7b9934

8100148 has 12 divisors (see below), whose sum is σ = 16200352. Its totient is φ = 3471480.

The previous prime is 8100139. The next prime is 8100167. The reversal of 8100148 is 8410018.

8100148 is an admirable number.

It is a super-2 number, since 2×81001482 = 131224795243808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 144618 + ... + 144673.

Almost surely, 28100148 is an apocalyptic number.

It is an amenable number.

8100148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8100148 is a wasteful number, since it uses less digits than its factorization.

8100148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289302 (or 289300 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 8100148 is about 2846.0758949824. The cubic root of 8100148 is about 200.8311081786.

The spelling of 8100148 in words is "eight million, one hundred thousand, one hundred forty-eight".

Divisors: 1 2 4 7 14 28 289291 578582 1157164 2025037 4050074 8100148