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52976471 = 173116263
BaseRepresentation
bin1100101000010…
…1101101010111
310200200111001112
43022011231113
5102030221341
65131245235
71212202232
oct312055527
9120614045
1052976471
11279a4009
12158a981b
13ac8b132
147070419
1549b6aeb
hex3285b57

52976471 has 4 divisors (see below), whose sum is σ = 56092752. Its totient is φ = 49860192.

The previous prime is 52976461. The next prime is 52976477. The reversal of 52976471 is 17467925.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52976471 is a prime.

It is a super-3 number, since 3×529764713 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52976477) 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, 1558115 + ... + 1558148.

It is an arithmetic number, because the mean of its divisors is an integer number (14023188).

Almost surely, 252976471 is an apocalyptic number.

52976471 is a deficient number, since it is larger than the sum of its proper divisors (3116281).

52976471 is a wasteful number, since it uses less digits than its factorization.

52976471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116280.

The product of its digits is 105840, while the sum is 41.

The square root of 52976471 is about 7278.4937315354. The cubic root of 52976471 is about 375.5729812526.

The spelling of 52976471 in words is "fifty-two million, nine hundred seventy-six thousand, four hundred seventy-one".

Divisors: 1 17 3116263 52976471