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406419000100 = 225237217232
BaseRepresentation
bin1011110101000000111…
…01011100101100100100
31102212001001001100202021
411322200131130230210
523124321231000400
6510412321352524
741235304334011
oct5724035345444
91385031040667
10406419000100
111473a7a26163
1266924a98744
132c42c46b959
14159568c0708
15a88a1e971a
hex5ea075cb24

406419000100 has 81 divisors (see below), whose sum is σ = 906935739507. Its totient is φ = 158082079680.

The previous prime is 406419000073. The next prime is 406419000131. The reversal of 406419000100 is 1000914604.

The square root of 406419000100 is 637510.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 38581602084 + 367837398016 = 196422^2 + 606496^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 235877839 + ... + 235879561.

Almost surely, 2406419000100 is an apocalyptic number.

406419000100 is the 637510-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406419000100

406419000100 is an abundant number, since it is smaller than the sum of its proper divisors (500516739407).

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

406419000100 is an equidigital number, since it uses as much as digits as its factorization.

406419000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Multiplying 406419000100 by its sum of digits (25), we get a square (10160475002500 = 31875502).

406419000100 divided by its sum of digits (25) gives a square (16256760004 = 1275022).

Adding to 406419000100 its reverse (1000914604), we get a palindrome (407419914704).

The spelling of 406419000100 in words is "four hundred six billion, four hundred nineteen million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 25 37 50 74 100 148 185 370 740 925 1369 1723 1850 2738 3446 3700 5476 6845 6892 8615 13690 17230 27380 34225 34460 43075 63751 68450 86150 127502 136900 172300 255004 318755 637510 1275020 1593775 2358787 2968729 3187550 4717574 5937458 6375100 9435148 11793935 11874916 14843645 23587870 29687290 47175740 58969675 59374580 74218225 109842973 117939350 148436450 219685946 235878700 296872900 439371892 549214865 1098429730 2196859460 2746074325 4064190001 5492148650 8128380002 10984297300 16256760004 20320950005 40641900010 81283800020 101604750025 203209500050 406419000100