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52240923 = 337475881
BaseRepresentation
bin1100011101001…
…0001000011011
310122022010002000
43013102020123
5101333202143
65103412043
71203016620
oct307221033
9118263060
1052240923
1127541419
12155b4023
13aa913b7
146d1c347
1548bdbd3
hex31d221b

52240923 has 32 divisors (see below), whose sum is σ = 90347520. Its totient is φ = 29211840.

The previous prime is 52240913. The next prime is 52240933. The reversal of 52240923 is 32904225.

It is an interprime number because it is at equal distance from previous prime (52240913) and next prime (52240933).

It is not a de Polignac number, because 52240923 - 25 = 52240891 is a prime.

It is a super-2 number, since 2×522409232 = 5458228071783858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52240913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5943 + ... + 11823.

It is an arithmetic number, because the mean of its divisors is an integer number (2823360).

Almost surely, 252240923 is an apocalyptic number.

52240923 is a deficient number, since it is larger than the sum of its proper divisors (38106597).

52240923 is a wasteful number, since it uses less digits than its factorization.

52240923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944 (or 5938 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 52240923 is about 7227.7882509105. The cubic root of 52240923 is about 373.8266686115.

The spelling of 52240923 in words is "fifty-two million, two hundred forty thousand, nine hundred twenty-three".

Divisors: 1 3 7 9 21 27 47 63 141 189 329 423 987 1269 2961 5881 8883 17643 41167 52929 123501 158787 276407 370503 829221 1111509 1934849 2487663 5804547 7462989 17413641 52240923