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628330080 = 25357187003
BaseRepresentation
bin100101011100111…
…000111001100000
31121210022110211110
4211130320321200
52241323030310
6142203143320
721366501060
oct4534707140
91553273743
10628330080
112a2748764
12156514b40
13a0237761
145d63d3a0
153a266d20
hex25738e60

628330080 has 96 divisors (see below), whose sum is σ = 2262000384. Its totient is φ = 143617536.

The previous prime is 628330069. The next prime is 628330091. The reversal of 628330080 is 80033826.

It is an interprime number because it is at equal distance from previous prime (628330069) and next prime (628330091).

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 90142 + ... + 96861.

It is an arithmetic number, because the mean of its divisors is an integer number (23562504).

Almost surely, 2628330080 is an apocalyptic number.

628330080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

628330080 is an abundant number, since it is smaller than the sum of its proper divisors (1633670304).

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

628330080 is a wasteful number, since it uses less digits than its factorization.

628330080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187028 (or 187020 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 628330080 is about 25066.5131200971. The cubic root of 628330080 is about 856.5037795012.

It can be divided in two parts, 6283 and 30080, that added together give a palindrome (36363).

The spelling of 628330080 in words is "six hundred twenty-eight million, three hundred thirty thousand, eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 187003 374006 561009 748012 935015 1122018 1309021 1496024 1870030 2244036 2618042 2805045 2992048 3740060 3927063 4488072 5236084 5610090 5984096 6545105 7480120 7854126 8976144 10472168 11220180 13090210 14960240 15708252 17952288 19635315 20944336 22440360 26180420 29920480 31416504 39270630 41888672 44880720 52360840 62833008 78541260 89761440 104721680 125666016 157082520 209443360 314165040 628330080