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2545031304 = 2332193160013
BaseRepresentation
bin1001011110110010…
…0001100010001000
320120100220222121200
42113230201202020
520203012000204
61100312504200
7120032260224
oct22754414210
96510828550
102545031304
111096670762
125b03ab060
133173680aa
141a2013784
15ed673539
hex97b21888

2545031304 has 96 divisors (see below), whose sum is σ = 7489747200. Its totient is φ = 777755520.

The previous prime is 2545031287. The next prime is 2545031309. The reversal of 2545031304 is 4031305452.

2545031304 is a `hidden beast` number, since 25 + 4 + 503 + 130 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (2545031309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12402 + ... + 72414.

It is an arithmetic number, because the mean of its divisors is an integer number (78018200).

Almost surely, 22545031304 is an apocalyptic number.

2545031304 is a gapful number since it is divisible by the number (24) 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 2545031304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3744873600).

2545031304 is an abundant number, since it is smaller than the sum of its proper divisors (4944715896).

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

2545031304 is a wasteful number, since it uses less digits than its factorization.

2545031304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60075 (or 60068 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2545031304 is about 50448.3032816764. The cubic root of 2545031304 is about 1365.3092822501.

Adding to 2545031304 its reverse (4031305452), we get a palindrome (6576336756).

The spelling of 2545031304 in words is "two billion, five hundred forty-five million, thirty-one thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 31 36 38 57 62 72 76 93 114 124 152 171 186 228 248 279 342 372 456 558 589 684 744 1116 1178 1368 1767 2232 2356 3534 4712 5301 7068 10602 14136 21204 42408 60013 120026 180039 240052 360078 480104 540117 720156 1080234 1140247 1440312 1860403 2160468 2280494 3420741 3720806 4320936 4560988 5581209 6841482 7441612 9121976 10262223 11162418 13682964 14883224 16743627 20524446 22324836 27365928 33487254 35347657 41048892 44649672 66974508 70695314 82097784 106042971 133949016 141390628 212085942 282781256 318128913 424171884 636257826 848343768 1272515652 2545031304