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52623153 = 3211531547
BaseRepresentation
bin1100100010111…
…1011100110001
310200000112101200
43020233130301
5101432420103
65115521413
71206201162
oct310573461
9120015350
1052623153
1127782610
1215759269
13ab9637b
146dbb769
1549470a3
hex322f731

52623153 has 12 divisors (see below), whose sum is σ = 82921488. Its totient is φ = 31892760.

The previous prime is 52623133. The next prime is 52623157. The reversal of 52623153 is 35132625.

It is not a de Polignac number, because 52623153 - 217 = 52492081 is a prime.

It is a super-2 number, since 2×526231532 = 5538392463322818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52623157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265675 + ... + 265872.

It is an arithmetic number, because the mean of its divisors is an integer number (6910124).

Almost surely, 252623153 is an apocalyptic number.

It is an amenable number.

52623153 is a deficient number, since it is larger than the sum of its proper divisors (30298335).

52623153 is a wasteful number, since it uses less digits than its factorization.

52623153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531564 (or 531561 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 52623153 is about 7254.1817595095. The cubic root of 52623153 is about 374.7361771035.

Adding to 52623153 its reverse (35132625), we get a palindrome (87755778).

The spelling of 52623153 in words is "fifty-two million, six hundred twenty-three thousand, one hundred fifty-three".

Divisors: 1 3 9 11 33 99 531547 1594641 4783923 5847017 17541051 52623153