Search a number
-
+
52409097 = 3213234457
BaseRepresentation
bin1100011111101…
…1001100001001
310122121122202200
43013323030021
5101404042342
65111150413
71204320126
oct307731411
9118548680
1052409097
1127646804
1215675409
13ab1cb00
146d6374d
15490394c
hex31fb309

52409097 has 18 divisors (see below), whose sum is σ = 81975582. Its totient is φ = 32250816.

The previous prime is 52409081. The next prime is 52409101. The reversal of 52409097 is 79090425.

It can be written as a sum of positive squares in 3 ways, for example, as 266256 + 52142841 = 516^2 + 7221^2 .

It is not a de Polignac number, because 52409097 - 24 = 52409081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52409017) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15708 + ... + 18749.

It is an arithmetic number, because the mean of its divisors is an integer number (4554199).

Almost surely, 252409097 is an apocalyptic number.

It is an amenable number.

52409097 is a deficient number, since it is larger than the sum of its proper divisors (29566485).

52409097 is a wasteful number, since it uses less digits than its factorization.

52409097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34489 (or 34473 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 52409097 is about 7239.4127524268. The cubic root of 52409097 is about 374.2273799151.

The spelling of 52409097 in words is "fifty-two million, four hundred nine thousand, ninety-seven".

Divisors: 1 3 9 13 39 117 169 507 1521 34457 103371 310113 447941 1343823 4031469 5823233 17469699 52409097