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52223016 = 2334767691
BaseRepresentation
bin1100011100110…
…1110000101000
310122021012111210
43013031300220
5101332114031
65103153120
71202613456
oct307156050
9118235453
1052223016
1127529a1a
12155a57a0
13aa861c1
146d159d6
1548b8746
hex31cdc28

52223016 has 64 divisors (see below), whose sum is σ = 135521280. Its totient is φ = 16758720.

The previous prime is 52223011. The next prime is 52223023. The reversal of 52223016 is 61032225.

It is a junction number, because it is equal to n+sod(n) for n = 52222983 and 52223001.

It is not an unprimeable number, because it can be changed into a prime (52223011) 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, 75231 + ... + 75921.

It is an arithmetic number, because the mean of its divisors is an integer number (2117520).

Almost surely, 252223016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52223016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67760640).

52223016 is an abundant number, since it is smaller than the sum of its proper divisors (83298264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52223016 is a wasteful number, since it uses less digits than its factorization.

52223016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 52223016 is about 7226.5493840422. The cubic root of 52223016 is about 373.7839506375.

The spelling of 52223016 in words is "fifty-two million, two hundred twenty-three thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 24 47 67 94 134 141 188 201 268 282 376 402 536 564 691 804 1128 1382 1608 2073 2764 3149 4146 5528 6298 8292 9447 12596 16584 18894 25192 32477 37788 46297 64954 75576 92594 97431 129908 138891 185188 194862 259816 277782 370376 389724 555564 779448 1111128 2175959 4351918 6527877 8703836 13055754 17407672 26111508 52223016