Search a number
-
+
104987400 = 23352723571
BaseRepresentation
bin1100100000111…
…11101100001000
321022112220122020
412100133230020
5203334044100
614230124440
72413243500
oct620375410
9238486566
10104987400
1154298651
122b1b0720
131899b92b
14dd2ca00
15933c5a0
hex641fb08

104987400 has 144 divisors (see below), whose sum is σ = 378703440. Its totient is φ = 23990400.

The previous prime is 104987371. The next prime is 104987401. The reversal of 104987400 is 4789401.

It is a super-2 number, since 2×1049874002 = 22044708317520000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (104987401) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27615 + ... + 31185.

It is an arithmetic number, because the mean of its divisors is an integer number (2629885).

Almost surely, 2104987400 is an apocalyptic number.

104987400 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 104987400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189351720).

104987400 is an abundant number, since it is smaller than the sum of its proper divisors (273716040).

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

104987400 is a wasteful number, since it uses less digits than its factorization.

104987400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604 (or 3588 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 104987400 is about 10246.3359304680. The cubic root of 104987400 is about 471.7505265009.

The spelling of 104987400 in words is "one hundred four million, nine hundred eighty-seven thousand, four hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 49 50 56 60 70 75 84 98 100 105 120 140 147 150 168 175 196 200 210 245 280 294 300 350 392 420 490 525 588 600 700 735 840 980 1050 1176 1225 1400 1470 1960 2100 2450 2940 3571 3675 4200 4900 5880 7142 7350 9800 10713 14284 14700 17855 21426 24997 28568 29400 35710 42852 49994 53565 71420 74991 85704 89275 99988 107130 124985 142840 149982 174979 178550 199976 214260 249970 267825 299964 349958 357100 374955 428520 499940 524937 535650 599928 624925 699916 714200 749910 874895 999880 1049874 1071300 1249850 1399832 1499820 1749790 1874775 2099748 2142600 2499700 2624685 2999640 3499580 3749550 4199496 4374475 4999400 5249370 6999160 7499100 8748950 10498740 13123425 14998200 17497900 20997480 26246850 34995800 52493700 104987400