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1225882084 = 227298916963
BaseRepresentation
bin100100100010001…
…0111100111100100
310011102201021002011
41021010113213210
510002311211314
6321350524004
742243553150
oct11104274744
93142637064
101225882084
11579a84399
122a2666604
13166c8701b
14b8b4a060
157294e4c4
hex491179e4

1225882084 has 48 divisors (see below), whose sum is σ = 2564956800. Its totient is φ = 501532416.

The previous prime is 1225882081. The next prime is 1225882093. The reversal of 1225882084 is 4802885221.

It is not an unprimeable number, because it can be changed into a prime (1225882081) 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, 63787 + ... + 80749.

It is an arithmetic number, because the mean of its divisors is an integer number (53436600).

Almost surely, 21225882084 is an apocalyptic number.

1225882084 is a gapful number since it is divisible by the number (14) 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 1225882084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282478400).

1225882084 is an abundant number, since it is smaller than the sum of its proper divisors (1339074716).

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

1225882084 is a wasteful number, since it uses less digits than its factorization.

1225882084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092 (or 17090 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The square root of 1225882084 is about 35012.5989323843. The cubic root of 1225882084 is about 1070.2442403989.

The spelling of 1225882084 in words is "one billion, two hundred twenty-five million, eight hundred eighty-two thousand, eighty-four".

Divisors: 1 2 4 7 14 28 29 58 89 116 178 203 356 406 623 812 1246 2492 2581 5162 10324 16963 18067 33926 36134 67852 72268 118741 237482 474964 491927 983854 1509707 1967708 3019414 3443489 6038828 6886978 10567949 13773956 21135898 42271796 43781503 87563006 175126012 306470521 612941042 1225882084