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12049401 = 37131923101
BaseRepresentation
bin101101111101…
…101111111001
3211200011200010
4231331233321
511041040101
61110132133
7204263310
oct55755771
924604603
1012049401
11688a991
124051049
13265b630
141859277
1510d02d6
hexb7dbf9

12049401 has 64 divisors (see below), whose sum is σ = 21934080. Its totient is φ = 5702400.

The previous prime is 12049399. The next prime is 12049423. The reversal of 12049401 is 10494021.

12049401 = 662 + 672 + ... + 3312.

It is not a de Polignac number, because 12049401 - 21 = 12049399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12049451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119251 + ... + 119351.

It is an arithmetic number, because the mean of its divisors is an integer number (342720).

Almost surely, 212049401 is an apocalyptic number.

It is an amenable number.

12049401 is a deficient number, since it is larger than the sum of its proper divisors (9884679).

12049401 is a wasteful number, since it uses less digits than its factorization.

12049401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12049401 is about 3471.2247118272. The cubic root of 12049401 is about 229.2565852024.

It can be divided in two parts, 1 and 2049401, that added together give a palindrome (2049402).

The spelling of 12049401 in words is "twelve million, forty-nine thousand, four hundred one".

Divisors: 1 3 7 13 19 21 23 39 57 69 91 101 133 161 247 273 299 303 399 437 483 707 741 897 1311 1313 1729 1919 2093 2121 2323 3059 3939 5187 5681 5757 6279 6969 9177 9191 13433 16261 17043 24947 27573 30199 39767 40299 44137 48783 74841 90597 119301 132411 174629 211393 308959 523887 573781 634179 926877 1721343 4016467 12049401