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1413212421 = 31575235737
BaseRepresentation
bin101010000111011…
…1110100100000101
310122111012121222210
41110032332210011
510343240244141
6352122014033
750010051555
oct12416764405
93574177883
101413212421
116657a3455
12335347319
13196a2658a
14d5991165
1584104916
hex543be905

1413212421 has 16 divisors (see below), whose sum is σ = 1900241984. Its totient is φ = 934187904.

The previous prime is 1413212377. The next prime is 1413212429. The reversal of 1413212421 is 1242123141.

It is not a de Polignac number, because 1413212421 - 27 = 1413212293 is a prime.

It is a super-3 number, since 3×14132124213 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1413212429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243465 + ... + 249201.

It is an arithmetic number, because the mean of its divisors is an integer number (118765124).

Almost surely, 21413212421 is an apocalyptic number.

It is an amenable number.

1413212421 is a deficient number, since it is larger than the sum of its proper divisors (487029563).

1413212421 is a wasteful number, since it uses less digits than its factorization.

1413212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420.

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

The square root of 1413212421 is about 37592.7176591424. The cubic root of 1413212421 is about 1122.1971169719.

Adding to 1413212421 its reverse (1242123141), we get a palindrome (2655335562).

The spelling of 1413212421 in words is "one billion, four hundred thirteen million, two hundred twelve thousand, four hundred twenty-one".

Divisors: 1 3 157 471 523 1569 5737 17211 82111 246333 900709 2702127 3000451 9001353 471070807 1413212421