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52641478 = 2173353431
BaseRepresentation
bin1100100011001…
…1111011000110
310200001110112101
43020303323012
5101434011403
65120142314
71206305461
oct310637306
9120043471
1052641478
112779535a
121576799a
13aba1806
146dc42d8
15494c71d
hex3233ec6

52641478 has 16 divisors (see below), whose sum is σ = 79828416. Its totient is φ = 26033920.

The previous prime is 52641473. The next prime is 52641481. The reversal of 52641478 is 87414625.

It is a super-2 number, since 2×526414782 = 5542250412048968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52641473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121923 + ... + 122353.

It is an arithmetic number, because the mean of its divisors is an integer number (4989276).

Almost surely, 252641478 is an apocalyptic number.

52641478 is a deficient number, since it is larger than the sum of its proper divisors (27186938).

52641478 is a wasteful number, since it uses less digits than its factorization.

52641478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959.

The product of its digits is 53760, while the sum is 37.

The square root of 52641478 is about 7255.4447141440. Note that the first 3 decimals coincide. The cubic root of 52641478 is about 374.7796702752.

The spelling of 52641478 in words is "fifty-two million, six hundred forty-one thousand, four hundred seventy-eight".

Divisors: 1 2 173 346 353 431 706 862 61069 74563 122138 149126 152143 304286 26320739 52641478