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1542130401 = 37317199443
BaseRepresentation
bin101101111101011…
…0000101011100001
310222110210100012210
41123322300223201
511124241133101
6413005112333
753133615000
oct13372605341
93873710183
101542130401
11721546439
123705586a9
131b76536c6
14108b4cc37
15905bc7d6
hex5beb0ae1

1542130401 has 64 divisors (see below), whose sum is σ = 2557440000. Its totient is φ = 823350528.

The previous prime is 1542130399. The next prime is 1542130411. The reversal of 1542130401 is 1040312451.

It is not a de Polignac number, because 1542130401 - 21 = 1542130399 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 (1542130411) 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 63 ways as a sum of consecutive naturals, for example, 3480886 + ... + 3481328.

It is an arithmetic number, because the mean of its divisors is an integer number (39960000).

Almost surely, 21542130401 is an apocalyptic number.

It is an amenable number.

1542130401 is a deficient number, since it is larger than the sum of its proper divisors (1015309599).

1542130401 is a wasteful number, since it uses less digits than its factorization.

1542130401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1542130401 is about 39269.9681818053. The cubic root of 1542130401 is about 1155.3326131132.

Adding to 1542130401 its reverse (1040312451), we get a palindrome (2582442852).

The spelling of 1542130401 in words is "one billion, five hundred forty-two million, one hundred thirty thousand, four hundred one".

Divisors: 1 3 7 17 21 49 51 119 147 199 343 357 443 597 833 1029 1329 1393 2499 3101 3383 4179 5831 7531 9303 9751 10149 17493 21707 22593 23681 29253 52717 65121 68257 71043 88157 151949 158151 165767 204771 264471 369019 455847 497301 617099 1107057 1160369 1498669 1851297 2583133 3481107 4319693 4496007 7749399 10490683 12959079 30237851 31472049 73434781 90713553 220304343 514043467 1542130401