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2552782830 = 2351343115187
BaseRepresentation
bin1001100000101000…
…0101111111101110
320120220111210201020
42120022011333232
520212003022310
61101150555010
7120155203353
oct23012057756
96526453636
102552782830
11109aa85584
125b2b08a66
13318b503b0
141a307062a
15ee1a5170
hex98285fee

2552782830 has 64 divisors (see below), whose sum is σ = 6613705728. Its totient is φ = 626878080.

The previous prime is 2552782759. The next prime is 2552782889. The reversal of 2552782830 is 382872552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160497 + ... + 175683.

It is an arithmetic number, because the mean of its divisors is an integer number (103339152).

Almost surely, 22552782830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2552782830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3306852864).

2552782830 is an abundant number, since it is smaller than the sum of its proper divisors (4060922898).

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

2552782830 is a wasteful number, since it uses less digits than its factorization.

2552782830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15641.

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 2552782830 is about 50525.0713012857. The cubic root of 2552782830 is about 1366.6940070543.

The spelling of 2552782830 in words is "two billion, five hundred fifty-two million, seven hundred eighty-two thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 431 862 1293 2155 2586 4310 5603 6465 11206 12930 15187 16809 28015 30374 33618 45561 56030 75935 84045 91122 151870 168090 197431 227805 394862 455610 592293 987155 1184586 1974310 2961465 5922930 6545597 13091194 19636791 32727985 39273582 65455970 85092761 98183955 170185522 196367910 255278283 425463805 510556566 850927610 1276391415 2552782830