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52207344 = 243274151
BaseRepresentation
bin1100011100100…
…1111011110000
310122020102000100
43013021323300
5101331113334
65102552400
71202520000
oct307117360
9118212010
1052207344
1127519172
1215598700
13aa7c027
146d10000
1548b3c99
hex31c9ef0

52207344 has 150 divisors (see below), whose sum is σ = 171578056. Its totient is φ = 14817600.

The previous prime is 52207343. The next prime is 52207349. The reversal of 52207344 is 44370225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52207343) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 345669 + ... + 345819.

Almost surely, 252207344 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 52207344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85789028).

52207344 is an abundant number, since it is smaller than the sum of its proper divisors (119370712).

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

52207344 is a wasteful number, since it uses less digits than its factorization.

52207344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 52207344 is about 7225.4649677374. The cubic root of 52207344 is about 373.7465563453.

Adding to 52207344 its reverse (44370225), we get a palindrome (96577569).

The spelling of 52207344 in words is "fifty-two million, two hundred seven thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 151 168 196 252 294 302 336 343 392 441 453 504 588 604 686 784 882 906 1008 1029 1057 1176 1208 1359 1372 1764 1812 2058 2114 2352 2401 2416 2718 2744 3087 3171 3528 3624 4116 4228 4802 5436 5488 6174 6342 7056 7203 7248 7399 8232 8456 9513 9604 10872 12348 12684 14406 14798 16464 16912 19026 19208 21609 21744 22197 24696 25368 28812 29596 38052 38416 43218 44394 49392 50736 51793 57624 59192 66591 76104 86436 88788 103586 115248 118384 133182 152208 155379 172872 177576 207172 266364 310758 345744 355152 362551 414344 466137 532728 621516 725102 828688 932274 1065456 1087653 1243032 1450204 1864548 2175306 2486064 2900408 3262959 3729096 4350612 5800816 6525918 7458192 8701224 13051836 17402448 26103672 52207344