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52097649 = 359294337
BaseRepresentation
bin1100011010111…
…1001001110001
310122000211112120
43012233021301
5101314111044
65100344453
71201552122
oct306571161
9118024476
1052097649
112745380a
1215545129
13aa41116
146cc2049
154891519
hex31af271

52097649 has 8 divisors (see below), whose sum is σ = 70641120. Its totient is φ = 34142976.

The previous prime is 52097641. The next prime is 52097653. The reversal of 52097649 is 94679025.

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

It is not a de Polignac number, because 52097649 - 23 = 52097641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52097649.

It is not an unprimeable number, because it can be changed into a prime (52097641) 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, 146992 + ... + 147345.

It is an arithmetic number, because the mean of its divisors is an integer number (8830140).

Almost surely, 252097649 is an apocalyptic number.

52097649 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

52097649 is a deficient number, since it is larger than the sum of its proper divisors (18543471).

52097649 is a wasteful number, since it uses less digits than its factorization.

52097649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294399.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 52097649 is about 7217.8701152071. The cubic root of 52097649 is about 373.4846080369.

The spelling of 52097649 in words is "fifty-two million, ninety-seven thousand, six hundred forty-nine".

Divisors: 1 3 59 177 294337 883011 17365883 52097649