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102112000 = 28533191
BaseRepresentation
bin1100001011000…
…01101100000000
321010010211022221
412011201230000
5202120041000
614044340424
72346636424
oct605415400
9233124287
10102112000
1152704291
122a244714
1318202c03
14d7c0b84
158e7061a
hex6161b00

102112000 has 72 divisors (see below), whose sum is σ = 254453472. Its totient is φ = 40832000.

The previous prime is 102111959. The next prime is 102112009. The reversal of 102112000 is 211201.

It is not an unprimeable number, because it can be changed into a prime (102112009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30405 + ... + 33595.

It is an arithmetic number, because the mean of its divisors is an integer number (3534076).

Almost surely, 2102112000 is an apocalyptic number.

102112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127226736).

102112000 is an abundant number, since it is smaller than the sum of its proper divisors (152341472).

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

102112000 is an frugal number, since it uses more digits than its factorization.

102112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222 (or 3198 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 102112000 is about 10105.0482433287. The cubic root of 102112000 is about 467.4038236196.

Adding to 102112000 its reverse (211201), we get a palindrome (102323201).

The spelling of 102112000 in words is "one hundred two million, one hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 640 800 1000 1280 1600 2000 3191 3200 4000 6382 6400 8000 12764 15955 16000 25528 31910 32000 51056 63820 79775 102112 127640 159550 204224 255280 319100 398875 408448 510560 638200 797750 816896 1021120 1276400 1595500 2042240 2552800 3191000 4084480 5105600 6382000 10211200 12764000 20422400 25528000 51056000 102112000