Search a number
-
+
54069520 = 2451783479
BaseRepresentation
bin1100111001000…
…0100100010000
310202202000102211
43032100210100
5102320211040
65210521504
71224404041
oct316204420
9122660384
1054069520
112858025a
1216136294
13b2817cb
1472768c8
154b308ea
hex3390910

54069520 has 80 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 20068352.

The previous prime is 54069511. The next prime is 54069551. The reversal of 54069520 is 2596045.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112641 + ... + 113119.

It is an arithmetic number, because the mean of its divisors is an integer number (1687392).

Almost surely, 254069520 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 54069520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67495680).

54069520 is an abundant number, since it is smaller than the sum of its proper divisors (80921840).

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

54069520 is a wasteful number, since it uses less digits than its factorization.

54069520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 54069520 is about 7353.1979437521. The cubic root of 54069520 is about 378.1384485803.

The spelling of 54069520 in words is "fifty-four million, sixty-nine thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 83 85 136 166 170 272 332 340 415 479 664 680 830 958 1328 1360 1411 1660 1916 2395 2822 3320 3832 4790 5644 6640 7055 7664 8143 9580 11288 14110 16286 19160 22576 28220 32572 38320 39757 40715 56440 65144 79514 81430 112880 130288 159028 162860 198785 318056 325720 397570 636112 651440 675869 795140 1351738 1590280 2703476 3180560 3379345 5406952 6758690 10813904 13517380 27034760 54069520