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53988120 = 2334519877
BaseRepresentation
bin1100110111110…
…0101100011000
310202120212210000
43031330230120
5102310104440
65205053000
71223614524
oct315745430
9122525700
1053988120
112852508a
12160b7160
13b253744
147254d84
154b16730
hex337cb18

53988120 has 160 divisors (see below), whose sum is σ = 191228400. Its totient is φ = 13623552.

The previous prime is 53988119. The next prime is 53988133. The reversal of 53988120 is 2188935.

It is a super-2 number, since 2×539881202 = 5829434202268800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61122 + ... + 61998.

Almost surely, 253988120 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 53988120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95614200).

53988120 is an abundant number, since it is smaller than the sum of its proper divisors (137240280).

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

53988120 is a wasteful number, since it uses less digits than its factorization.

53988120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 53988120 is about 7347.6608522713. The cubic root of 53988120 is about 377.9485946724.

The spelling of 53988120 in words is "fifty-three million, nine hundred eighty-eight thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 27 30 36 38 40 45 54 57 60 72 76 81 90 95 108 114 120 135 152 162 171 180 190 216 228 270 285 324 342 360 380 405 456 513 540 570 648 684 760 810 855 877 1026 1080 1140 1368 1539 1620 1710 1754 2052 2280 2565 2631 3078 3240 3420 3508 4104 4385 5130 5262 6156 6840 7016 7695 7893 8770 10260 10524 12312 13155 15390 15786 16663 17540 20520 21048 23679 26310 30780 31572 33326 35080 39465 47358 49989 52620 61560 63144 66652 71037 78930 83315 94716 99978 105240 118395 133304 142074 149967 157860 166630 189432 199956 236790 249945 284148 299934 315720 333260 355185 399912 449901 473580 499890 568296 599868 666520 710370 749835 899802 947160 999780 1199736 1349703 1420740 1499670 1799604 1999560 2249505 2699406 2841480 2999340 3599208 4499010 5398812 5998680 6748515 8998020 10797624 13497030 17996040 26994060 53988120