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623040141 = 34118112797
BaseRepresentation
bin100101001000101…
…101011010001101
31121102100201101210
4211020231122031
52233444241031
6141453525033
721303516363
oct4510553215
91542321353
10623040141
1129a765309
121547a3779
139c104a09
145ca63633
1539a6e746
hex2522d68d

623040141 has 16 divisors (see below), whose sum is σ = 851755968. Its totient is φ = 404860800.

The previous prime is 623040137. The next prime is 623040149. The reversal of 623040141 is 141040326.

It is not a de Polignac number, because 623040141 - 22 = 623040137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623040149) 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, 221355 + ... + 224151.

It is an arithmetic number, because the mean of its divisors is an integer number (53234748).

Almost surely, 2623040141 is an apocalyptic number.

It is an amenable number.

623040141 is a deficient number, since it is larger than the sum of its proper divisors (228715827).

623040141 is a wasteful number, since it uses less digits than its factorization.

623040141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 623040141 is about 24960.7720433483. The cubic root of 623040141 is about 854.0933544450.

Adding to 623040141 its reverse (141040326), we get a palindrome (764080467).

The spelling of 623040141 in words is "six hundred twenty-three million, forty thousand, one hundred forty-one".

Divisors: 1 3 41 123 1811 2797 5433 8391 74251 114677 222753 344031 5065367 15196101 207680047 623040141