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103894720 = 2651492179
BaseRepresentation
bin1100011000101…
…00111011000000
321020111101202121
412030110323000
5203044112340
614150454024
72401043026
oct614247300
9236441677
10103894720
1153711706
122a964314
13186a8487
14db26716
1591c394a
hex6314ec0

103894720 has 56 divisors (see below), whose sum is σ = 249174000. Its totient is φ = 41260032.

The previous prime is 103894711. The next prime is 103894723. The reversal of 103894720 is 27498301.

It is a super-2 number, since 2×1038947202 = 21588225687756800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103894723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46591 + ... + 48769.

Almost surely, 2103894720 is an apocalyptic number.

103894720 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 103894720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124587000).

103894720 is an abundant number, since it is smaller than the sum of its proper divisors (145279280).

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

103894720 is a wasteful number, since it uses less digits than its factorization.

103894720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 103894720 is about 10192.8759435206. The cubic root of 103894720 is about 470.1081990219.

The spelling of 103894720 in words is "one hundred three million, eight hundred ninety-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 149 160 298 320 596 745 1192 1490 2179 2384 2980 4358 4768 5960 8716 9536 10895 11920 17432 21790 23840 34864 43580 47680 69728 87160 139456 174320 324671 348640 649342 697280 1298684 1623355 2597368 3246710 5194736 6493420 10389472 12986840 20778944 25973680 51947360 103894720