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103047420 = 223571072293
BaseRepresentation
bin1100010010001…
…10000011111100
321011220100111010
412021012003330
5202340004140
614120355220
72360613540
oct611060374
9234810433
10103047420
1153193063
122a615b10
131846c908
14d985a20
1590a7880
hex62460fc

103047420 has 96 divisors (see below), whose sum is σ = 332978688. Its totient is φ = 23323392.

The previous prime is 103047409. The next prime is 103047449. The reversal of 103047420 is 24740301.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 43794 + ... + 46086.

It is an arithmetic number, because the mean of its divisors is an integer number (3468528).

Almost surely, 2103047420 is an apocalyptic number.

103047420 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 103047420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166489344).

103047420 is an abundant number, since it is smaller than the sum of its proper divisors (229931268).

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

103047420 is a wasteful number, since it uses less digits than its factorization.

103047420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 103047420 is about 10151.2275119810. The cubic root of 103047420 is about 468.8267401471.

Adding to 103047420 its reverse (24740301), we get a palindrome (127787721).

The spelling of 103047420 in words is "one hundred three million, forty-seven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 107 140 210 214 321 420 428 535 642 749 1070 1284 1498 1605 2140 2247 2293 2996 3210 3745 4494 4586 6420 6879 7490 8988 9172 11235 11465 13758 14980 16051 22470 22930 27516 32102 34395 44940 45860 48153 64204 68790 80255 96306 137580 160510 192612 240765 245351 321020 481530 490702 736053 963060 981404 1226755 1472106 1717457 2453510 2944212 3434914 3680265 4907020 5152371 6869828 7360530 8587285 10304742 14721060 17174570 20609484 25761855 34349140 51523710 103047420