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102944000 = 28533217
BaseRepresentation
bin1100010001011…
…00110100000000
321011201002121202
412020230310000
5202323202000
614114240332
72360003165
oct610546400
9234632552
10102944000
1153122395
122a5860a8
1318434813
14d95a06c
159086dd5
hex622cd00

102944000 has 72 divisors (see below), whose sum is σ = 256526088. Its totient is φ = 41164800.

The previous prime is 102943961. The next prime is 102944011. The reversal of 102944000 is 449201.

It can be written as a sum of positive squares in 4 ways, for example, as 43264 + 102900736 = 208^2 + 10144^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 30392 + ... + 33608.

Almost surely, 2102944000 is an apocalyptic number.

102944000 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 102944000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128263044).

102944000 is an abundant number, since it is smaller than the sum of its proper divisors (153582088).

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

102944000 is an frugal number, since it uses more digits than its factorization.

102944000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248 (or 3224 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 102944000 is about 10146.1322680123. The cubic root of 102944000 is about 468.6698470359.

The spelling of 102944000 in words is "one hundred two million, nine hundred forty-four 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 3200 3217 4000 6400 6434 8000 12868 16000 16085 25736 32000 32170 51472 64340 80425 102944 128680 160850 205888 257360 321700 402125 411776 514720 643400 804250 823552 1029440 1286800 1608500 2058880 2573600 3217000 4117760 5147200 6434000 10294400 12868000 20588800 25736000 51472000 102944000