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1401226212 = 223196145729
BaseRepresentation
bin101001110000101…
…0000001111100100
310121122122200000010
41103201100033210
510332203214322
6351013050220
746503140421
oct12341201744
93548580003
101401226212
11659a56aa1
12331326970
131943ba949
14d4150d48
158303820c
hex538503e4

1401226212 has 24 divisors (see below), whose sum is σ = 3441608800. Its totient is φ = 442492416.

The previous prime is 1401226201. The next prime is 1401226213. The reversal of 1401226212 is 2126221041.

It is not an unprimeable number, because it can be changed into a prime (1401226213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072637 + ... + 3073092.

Almost surely, 21401226212 is an apocalyptic number.

1401226212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401226212 is an abundant number, since it is smaller than the sum of its proper divisors (2040382588).

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

1401226212 is a wasteful number, since it uses less digits than its factorization.

1401226212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145755 (or 6145753 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1401226212 is about 37432.9562284359. The cubic root of 1401226212 is about 1119.0154538696.

Adding to 1401226212 its reverse (2126221041), we get a palindrome (3527447253).

The spelling of 1401226212 in words is "one billion, four hundred one million, two hundred twenty-six thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 6145729 12291458 18437187 24582916 36874374 73748748 116768851 233537702 350306553 467075404 700613106 1401226212