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401530329 = 3244614481
BaseRepresentation
bin10111111011101…
…101110111011001
31000222112212001200
4113323231313121
51310242432304
6103502104413
712643644234
oct2773556731
91028485050
10401530329
11196720752
12b257b109
1365259015
143b48241b
15253b6e39
hex17eeddd9

401530329 has 6 divisors (see below), whose sum is σ = 579988266. Its totient is φ = 267686880.

The previous prime is 401530307. The next prime is 401530331. The reversal of 401530329 is 923035104.

It can be written as a sum of positive squares in only one way, i.e., 350550729 + 50979600 = 18723^2 + 7140^2 .

It is not a de Polignac number, because 401530329 - 215 = 401497561 is a prime.

It is a super-2 number, since 2×4015303292 = 322453210213696482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401530369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22307232 + ... + 22307249.

It is an arithmetic number, because the mean of its divisors is an integer number (96664711).

Almost surely, 2401530329 is an apocalyptic number.

It is an amenable number.

401530329 is a deficient number, since it is larger than the sum of its proper divisors (178457937).

401530329 is a wasteful number, since it uses less digits than its factorization.

401530329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44614487 (or 44614484 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 401530329 is about 20038.2217025364. The cubic root of 401530329 is about 737.7447340225.

The spelling of 401530329 in words is "four hundred one million, five hundred thirty thousand, three hundred twenty-nine".

Divisors: 1 3 9 44614481 133843443 401530329