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103113140 = 225132343401
BaseRepresentation
bin1100010010101…
…10000110110100
321012000200122012
412021112012310
5202344110030
614122023352
72361306254
oct611260664
9235020565
10103113140
1153228479
122a647b58
13184937c0
14d9a1964
1590bc095
hex62561b4

103113140 has 96 divisors (see below), whose sum is σ = 249613056. Its totient is φ = 35481600.

The previous prime is 103113139. The next prime is 103113167. The reversal of 103113140 is 41311301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256940 + ... + 257340.

It is an arithmetic number, because the mean of its divisors is an integer number (2600136).

Almost surely, 2103113140 is an apocalyptic number.

103113140 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 103113140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124806528).

103113140 is an abundant number, since it is smaller than the sum of its proper divisors (146499916).

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

103113140 is a wasteful number, since it uses less digits than its factorization.

103113140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 103113140 is about 10154.4640429714. The cubic root of 103113140 is about 468.9263860045.

Adding to 103113140 its reverse (41311301), we get a palindrome (144424441).

The spelling of 103113140 in words is "one hundred three million, one hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 23 26 43 46 52 65 86 92 115 130 172 215 230 260 299 401 430 460 559 598 802 860 989 1118 1196 1495 1604 1978 2005 2236 2795 2990 3956 4010 4945 5213 5590 5980 8020 9223 9890 10426 11180 12857 17243 18446 19780 20852 25714 26065 34486 36892 46115 51428 52130 64285 68972 86215 92230 104260 119899 128570 172430 184460 224159 239798 257140 344860 396589 448318 479596 599495 793178 896636 1120795 1198990 1586356 1982945 2241590 2397980 3965890 4483180 5155657 7931780 10311314 20622628 25778285 51556570 103113140