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3103385940 = 2233541140171
BaseRepresentation
bin1011100011111001…
…1110100101010100
322000021120100012000
42320332132211110
522323431322230
61231540155300
7136622226264
oct27076364524
98007510160
103103385940
111352864876
12727398b30
133a5c42255
142162397a4
151326b6b60
hexb8f9e954

3103385940 has 96 divisors (see below), whose sum is σ = 9890536320. Its totient is φ = 807379200.

The previous prime is 3103385867. The next prime is 3103385941. The reversal of 3103385940 is 495833013.

3103385940 is a `hidden beast` number, since 31 + 0 + 3 + 38 + 594 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3103385895 and 3103385904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103385941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47946 + ... + 92225.

It is an arithmetic number, because the mean of its divisors is an integer number (103026420).

Almost surely, 23103385940 is an apocalyptic number.

3103385940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3103385940 is an abundant number, since it is smaller than the sum of its proper divisors (6787150380).

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

3103385940 is a wasteful number, since it uses less digits than its factorization.

3103385940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140230 (or 140222 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3103385940 is about 55708.0419688217. The cubic root of 3103385940 is about 1458.6304069917.

The spelling of 3103385940 in words is "three billion, one hundred three million, three hundred eighty-five thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 41 45 54 60 82 90 108 123 135 164 180 205 246 270 369 410 492 540 615 738 820 1107 1230 1476 1845 2214 2460 3690 4428 5535 7380 11070 22140 140171 280342 420513 560684 700855 841026 1261539 1401710 1682052 2102565 2523078 2803420 3784617 4205130 5046156 5747011 6307695 7569234 8410260 11494022 12615390 15138468 17241033 18923085 22988044 25230780 28735055 34482066 37846170 51723099 57470110 68964132 75692340 86205165 103446198 114940220 155169297 172410330 206892396 258615495 310338594 344820660 517230990 620677188 775846485 1034461980 1551692970 3103385940