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52870741 = 7112923677
BaseRepresentation
bin1100100110101…
…1111001010101
310200111010000121
43021223321111
5102013330431
65125111541
71211252050
oct311537125
9120433017
1052870741
1127931630
12158585b1
13ac51c81
147043a97
154995611
hex326be55

52870741 has 16 divisors (see below), whose sum is σ = 68192640. Its totient is φ = 39775680.

The previous prime is 52870681. The next prime is 52870747. The reversal of 52870741 is 14707825.

It is a happy number.

It is not a de Polignac number, because 52870741 - 29 = 52870229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52870697 and 52870706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52870747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9606 + ... + 14071.

It is an arithmetic number, because the mean of its divisors is an integer number (4262040).

Almost surely, 252870741 is an apocalyptic number.

It is an amenable number.

52870741 is a deficient number, since it is larger than the sum of its proper divisors (15321899).

52870741 is a wasteful number, since it uses less digits than its factorization.

52870741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23724.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 52870741 is about 7271.2269253545. The cubic root of 52870741 is about 375.3229597048.

The spelling of 52870741 in words is "fifty-two million, eight hundred seventy thousand, seven hundred forty-one".

Divisors: 1 7 11 29 77 203 319 2233 23677 165739 260447 686633 1823129 4806431 7552963 52870741