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3138200 = 2352131771
BaseRepresentation
bin1011111110001010011000
312220102210122
423332022120
51300410300
6151132412
735450162
oct13761230
95812718
103138200
11185385a
121074108
1385b530
145b9932
1541ec85
hex2fe298

3138200 has 96 divisors (see below), whose sum is σ = 8436960. Its totient is φ = 1075200.

The previous prime is 3138193. The next prime is 3138209. The reversal of 3138200 is 28313.

3138200 = T325 + T326 + ... + T375.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44165 + ... + 44235.

It is an arithmetic number, because the mean of its divisors is an integer number (87885).

Almost surely, 23138200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3138200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4218480).

3138200 is an abundant number, since it is smaller than the sum of its proper divisors (5298760).

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

3138200 is a wasteful number, since it uses less digits than its factorization.

3138200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3138200 is about 1771.4965424748. The cubic root of 3138200 is about 146.4064485997.

The spelling of 3138200 in words is "three million, one hundred thirty-eight thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 17 20 25 26 34 40 50 52 65 68 71 85 100 104 130 136 142 170 200 221 260 284 325 340 355 425 442 520 568 650 680 710 850 884 923 1105 1207 1300 1420 1700 1768 1775 1846 2210 2414 2600 2840 3400 3550 3692 4420 4615 4828 5525 6035 7100 7384 8840 9230 9656 11050 12070 14200 15691 18460 22100 23075 24140 30175 31382 36920 44200 46150 48280 60350 62764 78455 92300 120700 125528 156910 184600 241400 313820 392275 627640 784550 1569100 3138200