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102941440 = 285711489
BaseRepresentation
bin1100010001011…
…00001100000000
321011200222002221
412020230030000
5202323111230
614114220424
72356662550
oct610541400
9234628087
10102941440
1153120478
122a584714
13184335c4
14d959160
15908627a
hex622c300

102941440 has 72 divisors (see below), whose sum is σ = 281826720. Its totient is φ = 35291136.

The previous prime is 102941429. The next prime is 102941467. The reversal of 102941440 is 44149201.

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, 3216 + ... + 14704.

It is an arithmetic number, because the mean of its divisors is an integer number (3914260).

Almost surely, 2102941440 is an apocalyptic number.

102941440 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 102941440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140913360).

102941440 is an abundant number, since it is smaller than the sum of its proper divisors (178885280).

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

102941440 is an equidigital number, since it uses as much as digits as its factorization.

102941440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11517 (or 11503 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 102941440 is about 10146.0061107807. The cubic root of 102941440 is about 468.6659620604.

The spelling of 102941440 in words is "one hundred two million, nine hundred forty-one thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 560 640 896 1120 1280 1792 2240 4480 8960 11489 22978 45956 57445 80423 91912 114890 160846 183824 229780 321692 367648 402115 459560 643384 735296 804230 919120 1286768 1470592 1608460 1838240 2573536 2941184 3216920 3676480 5147072 6433840 7352960 10294144 12867680 14705920 20588288 25735360 51470720 102941440