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52205261 = 376721059
BaseRepresentation
bin1100011100100…
…1011011001101
310122020022011012
43013021123031
5101331032021
65102535005
71202510633
oct307113315
9118208135
1052205261
1127517649
1215597465
13aa7b0b4
146d0d353
1548b335b
hex31c96cd

52205261 has 8 divisors (see below), whose sum is σ = 54419040. Its totient is φ = 50033808.

The previous prime is 52205243. The next prime is 52205267. The reversal of 52205261 is 16250225.

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

It is a cyclic number.

It is not a de Polignac number, because 52205261 - 222 = 48010957 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 (52205267) 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, 8051 + ... + 13008.

It is an arithmetic number, because the mean of its divisors is an integer number (6802380).

Almost surely, 252205261 is an apocalyptic number.

It is an amenable number.

52205261 is a deficient number, since it is larger than the sum of its proper divisors (2213779).

52205261 is a wasteful number, since it uses less digits than its factorization.

52205261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21163.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 52205261 is about 7225.3208233268. The cubic root of 52205261 is about 373.7415856243.

Adding to 52205261 its reverse (16250225), we get a palindrome (68455486).

The spelling of 52205261 in words is "fifty-two million, two hundred five thousand, two hundred sixty-one".

Divisors: 1 37 67 2479 21059 779183 1410953 52205261