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53487504 = 24327471129
BaseRepresentation
bin1100110000001…
…0011110010000
310201122110001200
43030002132100
5102143100004
65150231200
71216431150
oct314023620
9121573050
1053487504
1128212a54
1215ab5500
13b109915
147164760
154a68239
hex3302790

53487504 has 120 divisors (see below), whose sum is σ = 174869760. Its totient is φ = 14943744.

The previous prime is 53487439. The next prime is 53487509. The reversal of 53487504 is 40578435.

53487504 = 1593 + 1603 + ... + 1703.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53487509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46812 + ... + 47940.

It is an arithmetic number, because the mean of its divisors is an integer number (1457248).

Almost surely, 253487504 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 53487504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87434880).

53487504 is an abundant number, since it is smaller than the sum of its proper divisors (121382256).

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

53487504 is a wasteful number, since it uses less digits than its factorization.

53487504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 53487504 is about 7313.5151603042. The cubic root of 53487504 is about 376.7767630064.

The spelling of 53487504 in words is "fifty-three million, four hundred eighty-seven thousand, five hundred four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 47 48 56 63 72 84 94 112 126 141 144 168 188 252 282 329 336 376 423 504 564 658 752 846 987 1008 1128 1129 1316 1692 1974 2256 2258 2632 2961 3384 3387 3948 4516 5264 5922 6768 6774 7896 7903 9032 10161 11844 13548 15792 15806 18064 20322 23688 23709 27096 31612 40644 47376 47418 53063 54192 63224 71127 81288 94836 106126 126448 142254 159189 162576 189672 212252 284508 318378 371441 379344 424504 477567 569016 636756 742882 849008 955134 1114323 1138032 1273512 1485764 1910268 2228646 2547024 2971528 3342969 3820536 4457292 5943056 6685938 7641072 8914584 13371876 17829168 26743752 53487504