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312041100 = 2235271391069
BaseRepresentation
bin10010100110010…
…101111010001100
3210202011022220210
4102212111322030
51114340303400
650544042420
710506206550
oct2246257214
9722138823
10312041100
11150159108
1288603410
134c855707
142d629860
151c5db950
hex12995e8c

312041100 has 144 divisors (see below), whose sum is σ = 1040211200. Its totient is φ = 70744320.

The previous prime is 312041077. The next prime is 312041101. The reversal of 312041100 is 1140213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (312041101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291366 + ... + 292434.

Almost surely, 2312041100 is an apocalyptic number.

312041100 is a gapful number since it is divisible by the number (30) 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 312041100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520105600).

312041100 is an abundant number, since it is smaller than the sum of its proper divisors (728170100).

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

312041100 is a wasteful number, since it uses less digits than its factorization.

312041100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 312041100 is about 17664.6851089964. The cubic root of 312041100 is about 678.2720690880.

Adding to 312041100 its reverse (1140213), we get a palindrome (313181313).

The spelling of 312041100 in words is "three hundred twelve million, forty-one thousand, one hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 139 140 150 175 210 278 300 350 417 420 525 556 695 700 834 973 1050 1069 1390 1668 1946 2085 2100 2138 2780 2919 3207 3475 3892 4170 4276 4865 5345 5838 6414 6950 7483 8340 9730 10425 10690 11676 12828 13900 14595 14966 16035 19460 20850 21380 22449 24325 26725 29190 29932 32070 37415 41700 44898 48650 53450 58380 64140 72975 74830 80175 89796 97300 106900 112245 145950 148591 149660 160350 187075 224490 291900 297182 320700 374150 445773 448980 561225 594364 742955 748300 891546 1040137 1122450 1485910 1783092 2080274 2228865 2244900 2971820 3120411 3714775 4160548 4457730 5200685 6240822 7429550 8915460 10401370 11144325 12481644 14859100 15602055 20802740 22288650 26003425 31204110 44577300 52006850 62408220 78010275 104013700 156020550 312041100