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1422100212 = 2231323396349
BaseRepresentation
bin101010011000011…
…1000011011110100
310200002221011202020
41110300320123310
510403024201322
6353040313140
750145436521
oct12460703364
93602834666
101422100212
1166a813a35
123383127b0
13198818b20
14d6c26148
1584cad05c
hex54c386f4

1422100212 has 48 divisors (see below), whose sum is σ = 3728860800. Its totient is φ = 418543488.

The previous prime is 1422100193. The next prime is 1422100247. The reversal of 1422100212 is 2120012241.

It is a junction number, because it is equal to n+sod(n) for n = 1422100191 and 1422100200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194587 + ... + 201762.

It is an arithmetic number, because the mean of its divisors is an integer number (77684600).

Almost surely, 21422100212 is an apocalyptic number.

1422100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1422100212 is an abundant number, since it is smaller than the sum of its proper divisors (2306760588).

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

1422100212 is a wasteful number, since it uses less digits than its factorization.

1422100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396392 (or 396390 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1422100212 is about 37710.7439862965. The cubic root of 1422100212 is about 1124.5447275847.

Adding to 1422100212 its reverse (2120012241), we get a palindrome (3542112453).

The spelling of 1422100212 in words is "one billion, four hundred twenty-two million, one hundred thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 23 26 39 46 52 69 78 92 138 156 276 299 598 897 1196 1794 3588 396349 792698 1189047 1585396 2378094 4756188 5152537 9116027 10305074 15457611 18232054 20610148 27348081 30915222 36464108 54696162 61830444 109392324 118508351 237016702 355525053 474033404 711050106 1422100212