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423210211400 = 235217312231509
BaseRepresentation
bin1100010100010010100…
…10110101100001001000
31111110101020200021102002
412022021102311201020
523413213303231100
6522230423330132
742401354304554
oct6121122654110
91443336607362
10423210211400
11153534149799
126a0302b0948
1330ba711b642
14166aa970864
15b01e3cd2d5
hex62894b5848

423210211400 has 48 divisors (see below), whose sum is σ = 989651474100. Its totient is φ = 168305550080.

The previous prime is 423210211397. The next prime is 423210211409. The reversal of 423210211400 is 4112012324.

It can be written as a sum of positive squares in 6 ways, for example, as 384109894756 + 39100316644 = 619766^2 + 197738^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (423210211409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6081155 + ... + 6150354.

Almost surely, 2423210211400 is an apocalyptic number.

423210211400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423210211400 is an abundant number, since it is smaller than the sum of its proper divisors (566441262700).

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

423210211400 is a wasteful number, since it uses less digits than its factorization.

423210211400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12231698 (or 12231689 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 423210211400 its reverse (4112012324), we get a palindrome (427322223724).

The spelling of 423210211400 in words is "four hundred twenty-three billion, two hundred ten million, two hundred eleven thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 173 200 346 692 865 1384 1730 3460 4325 6920 8650 17300 34600 12231509 24463018 48926036 61157545 97852072 122315090 244630180 305787725 489260360 611575450 1223150900 2116051057 2446301800 4232102114 8464204228 10580255285 16928408456 21160510570 42321021140 52901276425 84642042280 105802552850 211605105700 423210211400