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61432801 = 411498361
BaseRepresentation
bin1110101001011…
…0001111100001
311021121002221221
43222112033201
5111211322201
610032415041
71344112243
oct352261741
9137532857
1061432801
113174a411
12186a7481
13c95c191
148232093
1555d74a1
hex3a963e1

61432801 has 4 divisors (see below), whose sum is σ = 62931204. Its totient is φ = 59934400.

The previous prime is 61432771. The next prime is 61432829. The reversal of 61432801 is 10823416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 904401 + 60528400 = 951^2 + 7780^2 .

It is a cyclic number.

It is not a de Polignac number, because 61432801 - 211 = 61430753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61432831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749140 + ... + 749221.

It is an arithmetic number, because the mean of its divisors is an integer number (15732801).

Almost surely, 261432801 is an apocalyptic number.

It is an amenable number.

61432801 is a deficient number, since it is larger than the sum of its proper divisors (1498403).

61432801 is a wasteful number, since it uses less digits than its factorization.

61432801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498402.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 61432801 is about 7837.9079479157. The cubic root of 61432801 is about 394.5785196062.

The spelling of 61432801 in words is "sixty-one million, four hundred thirty-two thousand, eight hundred one".

Divisors: 1 41 1498361 61432801