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1400411545 = 51339754269
BaseRepresentation
bin101001101111000…
…1001010110011001
310121121010021111021
41103132021112121
510332001132140
6350543402441
746463205331
oct12336112631
93547107437
101400411545
1165954aa15
12330bb3421
13194193bb0
14d3dbc0c1
1582e26b4a
hex53789599

1400411545 has 16 divisors (see below), whose sum is σ = 1814354640. Its totient is φ = 1031526144.

The previous prime is 1400411543. The next prime is 1400411563. The reversal of 1400411545 is 5451140041.

It can be written as a sum of positive squares in 8 ways, for example, as 4044121 + 1396367424 = 2011^2 + 37368^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400411545 - 21 = 1400411543 is a prime.

It is a super-2 number, since 2×14004115452 = 3922304990738574050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400411543) 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, 1330 + ... + 52939.

It is an arithmetic number, because the mean of its divisors is an integer number (113397165).

Almost surely, 21400411545 is an apocalyptic number.

It is an amenable number.

1400411545 is a deficient number, since it is larger than the sum of its proper divisors (413943095).

1400411545 is a wasteful number, since it uses less digits than its factorization.

1400411545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54684.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1400411545 is about 37422.0729650296. The cubic root of 1400411545 is about 1118.7985482090.

Adding to 1400411545 its reverse (5451140041), we get a palindrome (6851551586).

The spelling of 1400411545 in words is "one billion, four hundred million, four hundred eleven thousand, five hundred forty-five".

Divisors: 1 5 13 65 397 1985 5161 25805 54269 271345 705497 3527485 21544793 107723965 280082309 1400411545