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8100054 = 233150001
BaseRepresentation
bin11110111001100011010110
3120020112012000
4132321203112
54033200204
6445340130
7125564214
oct36714326
916215160
108100054
114632766
122867646
1318a7b41
14110bcb4
15aa0039
hex7b98d6

8100054 has 16 divisors (see below), whose sum is σ = 18000240. Its totient is φ = 2700000.

The previous prime is 8099999. The next prime is 8100073. The reversal of 8100054 is 4500018.

It is a super-2 number, since 2×81000542 = 131221749605832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 74947 + ... + 75054.

It is an arithmetic number, because the mean of its divisors is an integer number (1125015).

Almost surely, 28100054 is an apocalyptic number.

8100054 is an abundant number, since it is smaller than the sum of its proper divisors (9900186).

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

8100054 is a wasteful number, since it uses less digits than its factorization.

8100054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150012 (or 150006 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 8100054 is about 2846.0593809687. The cubic root of 8100054 is about 200.8303313123.

The spelling of 8100054 in words is "eight million, one hundred thousand, fifty-four".

Divisors: 1 2 3 6 9 18 27 54 150001 300002 450003 900006 1350009 2700018 4050027 8100054