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54936720 = 24325411861
BaseRepresentation
bin1101000110010…
…0010010010000
310211101002000100
43101210102100
5103030433340
65241252400
71234645236
oct321442220
9124332010
1054936720
1129012853
1216494100
13b4c6447
147420956
154c52830
hex3464490

54936720 has 120 divisors (see below), whose sum is σ = 189097272. Its totient is φ = 14284800.

The previous prime is 54936697. The next prime is 54936727. The reversal of 54936720 is 2763945.

It can be written as a sum of positive squares in 4 ways, for example, as 5992704 + 48944016 = 2448^2 + 6996^2 .

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 (36).

It is not an unprimeable number, because it can be changed into a prime (54936727) 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, 28590 + ... + 30450.

Almost surely, 254936720 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 54936720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94548636).

54936720 is an abundant number, since it is smaller than the sum of its proper divisors (134160552).

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

54936720 is a wasteful number, since it uses less digits than its factorization.

54936720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 54936720 is about 7411.9309225060. The cubic root of 54936720 is about 380.1493411161.

The spelling of 54936720 in words is "fifty-four million, nine hundred thirty-six thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 41 45 48 60 72 80 82 90 120 123 144 164 180 205 240 246 328 360 369 410 492 615 656 720 738 820 984 1230 1476 1640 1845 1861 1968 2460 2952 3280 3690 3722 4920 5583 5904 7380 7444 9305 9840 11166 14760 14888 16749 18610 22332 27915 29520 29776 33498 37220 44664 55830 66996 74440 76301 83745 89328 111660 133992 148880 152602 167490 223320 228903 267984 305204 334980 381505 446640 457806 610408 669960 686709 763010 915612 1144515 1220816 1339920 1373418 1526020 1831224 2289030 2746836 3052040 3433545 3662448 4578060 5493672 6104080 6867090 9156120 10987344 13734180 18312240 27468360 54936720