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53119920 = 2435724517
BaseRepresentation
bin1100101010100…
…0101110110000
310200221202211110
43022220232300
5102044314140
65134313320
71213340400
oct312505660
9120852743
1053119920
1127a91867
1215958840
13b00b509
1470aa800
1549e4380
hex32a8bb0

53119920 has 120 divisors (see below), whose sum is σ = 191599344. Its totient is φ = 12139008.

The previous prime is 53119897. The next prime is 53119931. The reversal of 53119920 is 2991135.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9502 + ... + 14018.

Almost surely, 253119920 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 53119920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95799672).

53119920 is an abundant number, since it is smaller than the sum of its proper divisors (138479424).

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

53119920 is a wasteful number, since it uses less digits than its factorization.

53119920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547 (or 4534 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 53119920 is about 7288.3413751004. The cubic root of 53119920 is about 375.9116662873.

The spelling of 53119920 in words is "fifty-three million, one hundred nineteen thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 49 56 60 70 80 84 98 105 112 120 140 147 168 196 210 240 245 280 294 336 392 420 490 560 588 735 784 840 980 1176 1470 1680 1960 2352 2940 3920 4517 5880 9034 11760 13551 18068 22585 27102 31619 36136 45170 54204 63238 67755 72272 90340 94857 108408 126476 135510 158095 180680 189714 216816 221333 252952 271020 316190 361360 379428 442666 474285 505904 542040 632380 663999 758856 885332 948570 1084080 1106665 1264760 1327998 1517712 1770664 1897140 2213330 2529520 2655996 3319995 3541328 3794280 4426660 5311992 6639990 7588560 8853320 10623984 13279980 17706640 26559960 53119920