Search a number
-
+
105744400 = 24521671583
BaseRepresentation
bin1100100110110…
…00100000010000
321100222101001021
412103120200100
5204032310100
614254245224
72422545466
oct623304020
9240871037
10105744400
1154765373
122b4b6814
1318ba5368
1410088836
15943ba1a
hex64d8810

105744400 has 60 divisors (see below), whose sum is σ = 255733632. Its totient is φ = 42017920.

The previous prime is 105744337. The next prime is 105744451. The reversal of 105744400 is 4447501.

It is a super-2 number, since 2×1057444002 = 22363756262720000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 66009 + ... + 67591.

Almost surely, 2105744400 is an apocalyptic number.

105744400 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 105744400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127866816).

105744400 is an abundant number, since it is smaller than the sum of its proper divisors (149989232).

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

105744400 is a wasteful number, since it uses less digits than its factorization.

105744400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 105744400 is about 10283.2096156793. The cubic root of 105744400 is about 472.8816471791.

The spelling of 105744400 in words is "one hundred five million, seven hundred forty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 167 200 334 400 668 835 1336 1583 1670 2672 3166 3340 4175 6332 6680 7915 8350 12664 13360 15830 16700 25328 31660 33400 39575 63320 66800 79150 126640 158300 264361 316600 528722 633200 1057444 1321805 2114888 2643610 4229776 5287220 6609025 10574440 13218050 21148880 26436100 52872200 105744400