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125904384 = 293289307
BaseRepresentation
bin1111000000100…
…10011000000000
322202220121100100
413200102120000
5224212420014
620254322400
73056112114
oct740223000
9282817310
10125904384
1165084911
12361b9400
1320113548
1412a15744
15b0c0009
hex7812600

125904384 has 120 divisors (see below), whose sum is σ = 368648280. Its totient is φ = 41361408.

The previous prime is 125904347. The next prime is 125904413. The reversal of 125904384 is 483409521.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409959 + ... + 410265.

It is an arithmetic number, because the mean of its divisors is an integer number (3072069).

Almost surely, 2125904384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125904384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184324140).

125904384 is an abundant number, since it is smaller than the sum of its proper divisors (242743896).

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

125904384 is an equidigital number, since it uses as much as digits as its factorization.

125904384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 125904384 is about 11220.7122768566. The cubic root of 125904384 is about 501.2029488405.

The spelling of 125904384 in words is "one hundred twenty-five million, nine hundred four thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 89 96 128 144 178 192 256 267 288 307 356 384 512 534 576 614 712 768 801 921 1068 1152 1228 1424 1536 1602 1842 2136 2304 2456 2763 2848 3204 3684 4272 4608 4912 5526 5696 6408 7368 8544 9824 11052 11392 12816 14736 17088 19648 22104 22784 25632 27323 29472 34176 39296 44208 45568 51264 54646 58944 68352 78592 81969 88416 102528 109292 117888 136704 157184 163938 176832 205056 218584 235776 245907 327876 353664 410112 437168 471552 491814 655752 707328 874336 983628 1311504 1414656 1748672 1967256 2623008 3497344 3934512 5246016 6994688 7869024 10492032 13989376 15738048 20984064 31476096 41968128 62952192 125904384