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412122100 = 225213615197
BaseRepresentation
bin11000100100000…
…111101111110100
31001201110222020111
4120210013233310
51321000401400
6104521112404
713132660105
oct3044075764
91051428214
10412122100
111a16a5485
12b6028704
13674c7040
143ca3c3ac
15262aa3ba
hex18907bf4

412122100 has 72 divisors (see below), whose sum is σ = 979074488. Its totient is φ = 149644800.

The previous prime is 412122083. The next prime is 412122101. The reversal of 412122100 is 1221214.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 311240164 + 100881936 = 17642^2 + 10044^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412122101) 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, 76702 + ... + 81898.

Almost surely, 2412122100 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 412122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489537244).

412122100 is an abundant number, since it is smaller than the sum of its proper divisors (566952388).

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

412122100 is a wasteful number, since it uses less digits than its factorization.

412122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285 (or 5278 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 412122100 is about 20300.7906249978. The cubic root of 412122100 is about 744.1753859657.

Adding to 412122100 its reverse (1221214), we get a palindrome (413343314).

The spelling of 412122100 in words is "four hundred twelve million, one hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 61 65 100 122 130 244 260 305 325 610 650 793 1220 1300 1525 1586 3050 3172 3965 5197 6100 7930 10394 15860 19825 20788 25985 39650 51970 67561 79300 103940 129925 135122 259850 270244 317017 337805 519700 634034 675610 1268068 1351220 1585085 1689025 3170170 3378050 4121221 6340340 6756100 7925425 8242442 15850850 16484884 20606105 31701700 41212210 82424420 103030525 206061050 412122100