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53401142 = 238968639
BaseRepresentation
bin1100101110110…
…1011000110110
310201111001121002
43023231120312
5102132314032
65144323302
71215621314
oct313553066
9121431532
1053401142
1128164083
1215a73532
13b0a9512
1471410b4
154a4c862
hex32ed636

53401142 has 8 divisors (see below), whose sum is σ = 80308800. Its totient is φ = 26631544.

The previous prime is 53401133. The next prime is 53401163. The reversal of 53401142 is 24110435.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33542 + ... + 35097.

It is an arithmetic number, because the mean of its divisors is an integer number (10038600).

Almost surely, 253401142 is an apocalyptic number.

53401142 is a deficient number, since it is larger than the sum of its proper divisors (26907658).

53401142 is a wasteful number, since it uses less digits than its factorization.

53401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69030.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 53401142 is about 7307.6085007340. The cubic root of 53401142 is about 376.5738699884.

Adding to 53401142 its reverse (24110435), we get a palindrome (77511577).

The spelling of 53401142 in words is "fifty-three million, four hundred one thousand, one hundred forty-two".

Divisors: 1 2 389 778 68639 137278 26700571 53401142