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53474141 = 729771117
BaseRepresentation
bin1100101111111…
…1001101011101
310201121202201202
43023333031131
5102142133031
65150045245
71216344200
oct313771535
9121552652
1053474141
1128203a06
1215aa9825
13b103806
14715d937
154a642cb
hex32ff35d

53474141 has 12 divisors (see below), whose sum is σ = 62324028. Its totient is φ = 45747072.

The previous prime is 53474117. The next prime is 53474153. The reversal of 53474141 is 14147435.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25542916 + 27931225 = 5054^2 + 5285^2 .

It is not a de Polignac number, because 53474141 - 210 = 53473117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53474111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47315 + ... + 48431.

It is an arithmetic number, because the mean of its divisors is an integer number (5193669).

Almost surely, 253474141 is an apocalyptic number.

It is an amenable number.

53474141 is a deficient number, since it is larger than the sum of its proper divisors (8849887).

53474141 is a wasteful number, since it uses less digits than its factorization.

53474141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 2101 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 53474141 is about 7312.6015206628. The cubic root of 53474141 is about 376.7453831709.

The spelling of 53474141 in words is "fifty-three million, four hundred seventy-four thousand, one hundred forty-one".

Divisors: 1 7 49 977 1117 6839 7819 47873 54733 1091309 7639163 53474141