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1400033121 = 33717372907
BaseRepresentation
bin101001101110010…
…1100111101100001
310121120102001101120
41103130230331201
510331402024441
6350531322453
746460041134
oct12334547541
93546361346
101400033121
11659311673
12330a50429
13194090886
14d3d2021b
1582d9e966
hex5372cf61

1400033121 has 16 divisors (see below), whose sum is σ = 1928270784. Its totient is φ = 902867904.

The previous prime is 1400033119. The next prime is 1400033123. The reversal of 1400033121 is 1213300041.

It is an interprime number because it is at equal distance from previous prime (1400033119) and next prime (1400033123).

It is not a de Polignac number, because 1400033121 - 21 = 1400033119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400033121.

It is not an unprimeable number, because it can be changed into a prime (1400033123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17251 + ... + 55656.

It is an arithmetic number, because the mean of its divisors is an integer number (120516924).

Almost surely, 21400033121 is an apocalyptic number.

It is an amenable number.

1400033121 is a deficient number, since it is larger than the sum of its proper divisors (528237663).

1400033121 is a wasteful number, since it uses less digits than its factorization.

1400033121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73120.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1400033121 is about 37417.0164631014. The cubic root of 1400033121 is about 1118.6977639396.

Adding to 1400033121 its reverse (1213300041), we get a palindrome (2613333162).

The spelling of 1400033121 in words is "one billion, four hundred million, thirty-three thousand, one hundred twenty-one".

Divisors: 1 3 37 111 173 519 6401 19203 72907 218721 2697559 8092677 12612911 37838733 466677707 1400033121