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2552304720 = 243573734073
BaseRepresentation
bin1001100000100001…
…0001010001010000
320120212121111212110
42120020101101100
520211342222340
61101132425320
7120151142430
oct23010212120
96525544773
102552304720
11109a789349
125b2918240
13318a138a4
141a2d882c0
15ee10d680
hex98211450

2552304720 has 160 divisors (see below), whose sum is σ = 9068919552. Its totient is φ = 581677056.

The previous prime is 2552304683. The next prime is 2552304731. The reversal of 2552304720 is 274032552.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624604 + ... + 628676.

Almost surely, 22552304720 is an apocalyptic number.

2552304720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2552304720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4534459776).

2552304720 is an abundant number, since it is smaller than the sum of its proper divisors (6516614832).

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

2552304720 is a wasteful number, since it uses less digits than its factorization.

2552304720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469 (or 4463 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 2552304720 is about 50520.3396663166. The cubic root of 2552304720 is about 1366.6086791445.

The spelling of 2552304720 in words is "two billion, five hundred fifty-two million, three hundred four thousand, seven 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 56 60 70 80 84 105 112 120 140 168 210 240 280 336 373 420 560 746 840 1119 1492 1680 1865 2238 2611 2984 3730 4073 4476 5222 5595 5968 7460 7833 8146 8952 10444 11190 12219 13055 14920 15666 16292 17904 20365 20888 22380 24438 26110 28511 29840 31332 32584 39165 40730 41776 44760 48876 52220 57022 61095 62664 65168 78330 81460 85533 89520 97752 104440 114044 122190 125328 142555 156660 162920 171066 195504 208880 228088 244380 285110 313320 325840 342132 427665 456176 488760 570220 626640 684264 855330 977520 1140440 1368528 1519229 1710660 2280880 3038458 3421320 4557687 6076916 6842640 7596145 9115374 10634603 12153832 15192290 18230748 21269206 22788435 24307664 30384580 31903809 36461496 42538412 45576870 53173015 60769160 63807618 72922992 85076824 91153740 106346030 121538320 127615236 159519045 170153648 182307480 212692060 255230472 319038090 364614960 425384120 510460944 638076180 850768240 1276152360 2552304720