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140504541 = 3172754991
BaseRepresentation
bin10000101111111…
…10110111011101
3100210101100222220
420113332313131
5241432121131
621535255553
73324161142
oct1027766735
9323340886
10140504541
1172347161
123b07a5b9
1323155ba8
14149363c9
15c505e96
hex85feddd

140504541 has 8 divisors (see below), whose sum is σ = 198359424. Its totient is φ = 88159680.

The previous prime is 140504531. The next prime is 140504543. The reversal of 140504541 is 145405041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140504541 - 26 = 140504477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140504543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377445 + ... + 1377546.

It is an arithmetic number, because the mean of its divisors is an integer number (24794928).

Almost surely, 2140504541 is an apocalyptic number.

It is an amenable number.

140504541 is a deficient number, since it is larger than the sum of its proper divisors (57854883).

140504541 is a wasteful number, since it uses less digits than its factorization.

140504541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755011.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 140504541 is about 11853.4611401059. The cubic root of 140504541 is about 519.8724304915.

Adding to 140504541 its reverse (145405041), we get a palindrome (285909582).

The spelling of 140504541 in words is "one hundred forty million, five hundred four thousand, five hundred forty-one".

Divisors: 1 3 17 51 2754991 8264973 46834847 140504541