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2195885552 = 24773491547
BaseRepresentation
bin1000001011100010…
…1000110111110000
312200000221112200112
42002320220313300
513444121314202
61001521240452
7105262501460
oct20270506760
95600845615
102195885552
11a2757a353
12513493128
1328cc20983
1416b8c9ba0
15ccba7b52
hex82e28df0

2195885552 has 80 divisors (see below), whose sum is σ = 4947992832. Its totient is φ = 924618240.

The previous prime is 2195885533. The next prime is 2195885557. The reversal of 2195885552 is 2555885912.

It is a self number, because there is not a number n which added to its sum of digits gives 2195885552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195885557) 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, 4014143 + ... + 4014689.

Almost surely, 22195885552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2195885552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2473996416).

2195885552 is an abundant number, since it is smaller than the sum of its proper divisors (2752107280).

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

2195885552 is a wasteful number, since it uses less digits than its factorization.

2195885552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1120 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 50.

The square root of 2195885552 is about 46860.2769091263. The cubic root of 2195885552 is about 1299.7801505935.

The spelling of 2195885552 in words is "two billion, one hundred ninety-five million, eight hundred eighty-five thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 73 112 146 292 491 511 547 584 982 1022 1094 1168 1964 2044 2188 3437 3829 3928 4088 4376 6874 7658 7856 8176 8752 13748 15316 27496 30632 35843 39931 54992 61264 71686 79862 143372 159724 250901 268577 279517 286744 319448 501802 537154 559034 573488 638896 1003604 1074308 1118068 1880039 2007208 2148616 2236136 3760078 4014416 4297232 4472272 7520156 15040312 19606121 30080624 39212242 78424484 137242847 156848968 274485694 313697936 548971388 1097942776 2195885552