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52366392 = 233313171097
BaseRepresentation
bin1100011111000…
…0110000111000
310122112111012000
43013300300320
5101401211032
65110221000
71204051461
oct307606070
9118474160
1052366392
1127617711
1215654760
13ab06540
146d51d68
1548e5e7c
hex31f0c38

52366392 has 128 divisors (see below), whose sum is σ = 166017600. Its totient is φ = 15151104.

The previous prime is 52366387. The next prime is 52366393. The reversal of 52366392 is 29366325.

It is a super-2 number, since 2×523663922 = 5484478022195328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52366393) 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, 47188 + ... + 48284.

Almost surely, 252366392 is an apocalyptic number.

52366392 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52366392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83008800).

52366392 is an abundant number, since it is smaller than the sum of its proper divisors (113651208).

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

52366392 is a wasteful number, since it uses less digits than its factorization.

52366392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1132 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 52366392 is about 7236.4626717755. The cubic root of 52366392 is about 374.1257072165.

It can be divided in two parts, 5236 and 6392, that added together give a triangular number (11628 = T152).

The spelling of 52366392 in words is "fifty-two million, three hundred sixty-six thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 13 17 18 24 26 27 34 36 39 51 52 54 68 72 78 102 104 108 117 136 153 156 204 216 221 234 306 312 351 408 442 459 468 612 663 702 884 918 936 1097 1224 1326 1404 1768 1836 1989 2194 2652 2808 3291 3672 3978 4388 5304 5967 6582 7956 8776 9873 11934 13164 14261 15912 18649 19746 23868 26328 28522 29619 37298 39492 42783 47736 55947 57044 59238 74596 78984 85566 111894 114088 118476 128349 149192 167841 171132 223788 236952 242437 256698 335682 342264 385047 447576 484874 503523 513396 671364 727311 770094 969748 1007046 1026792 1342728 1454622 1540188 1939496 2014092 2181933 2909244 3080376 4028184 4363866 5818488 6545799 8727732 13091598 17455464 26183196 52366392