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2525780508 = 2231753233609
BaseRepresentation
bin1001011010001100…
…0101101000011100
320112000200221111020
42112203011220130
520133044434013
61054344124140
7116406531366
oct22643055034
96460627436
102525780508
111086812309
125a5a66650
133133879a4
1419d641d36
15ebb1e623
hex968c5a1c

2525780508 has 48 divisors (see below), whose sum is σ = 6357929760. Its totient is φ = 777447424.

The previous prime is 2525780507. The next prime is 2525780527. The reversal of 2525780508 is 8050875252.

It is a self number, because there is not a number n which added to its sum of digits gives 2525780508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525780507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105993 + ... + 127616.

It is an arithmetic number, because the mean of its divisors is an integer number (132456870).

Almost surely, 22525780508 is an apocalyptic number.

It is an amenable number.

2525780508 is an abundant number, since it is smaller than the sum of its proper divisors (3832149252).

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

2525780508 is a wasteful number, since it uses less digits than its factorization.

2525780508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233686 (or 233684 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 2525780508 is about 50257.1438504020. The cubic root of 2525780508 is about 1361.8581341410.

The spelling of 2525780508 in words is "two billion, five hundred twenty-five million, seven hundred eighty thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 17 34 51 53 68 102 106 159 204 212 318 636 901 1802 2703 3604 5406 10812 233609 467218 700827 934436 1401654 2803308 3971353 7942706 11914059 12381277 15885412 23828118 24762554 37143831 47656236 49525108 74287662 148575324 210481709 420963418 631445127 841926836 1262890254 2525780508