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2754780196 = 22722321632
BaseRepresentation
bin1010010000110010…
…1001110000100100
321002222121100000011
42210030221300210
521120210431241
61133204300004
7125160150100
oct24414516044
97088540004
102754780196
111194002153
1264a6a1604
1334b95686c
141c1c12900
15111ca6281
hexa4329c24

2754780196 has 81 divisors (see below), whose sum is σ = 5898556251. Its totient is φ = 1122360624.

The previous prime is 2754780179. The next prime is 2754780199. The reversal of 2754780196 is 6910874572.

The square root of 2754780196 is 52486.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (2754780199) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 16900411 + ... + 16900573.

Almost surely, 22754780196 is an apocalyptic number.

2754780196 is the 52486-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2754780196

2754780196 is an abundant number, since it is smaller than the sum of its proper divisors (3143776055).

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

2754780196 is a wasteful number, since it uses less digits than its factorization.

2754780196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The cubic root of 2754780196 is about 1401.8309710121.

Multiplying 2754780196 by its sum of digits (49), we get a square (134984229604 = 3674022).

2754780196 divided by its sum of digits (49) gives a square (56220004 = 74982).

The spelling of 2754780196 in words is "two billion, seven hundred fifty-four million, seven hundred eighty thousand, one hundred ninety-six".

Divisors: 1 2 4 7 14 23 28 46 49 92 98 161 163 196 322 326 529 644 652 1058 1127 1141 2116 2254 2282 3703 3749 4508 4564 7406 7498 7987 14812 14996 15974 25921 26243 26569 31948 51842 52486 53138 86227 103684 104972 106276 172454 183701 185983 344908 367402 371966 603589 611087 734804 743932 1207178 1222174 1301881 2414356 2444348 2603762 4225123 4277609 5207524 8450246 8555218 14055001 16900492 17110436 28110002 29943263 56220004 59886526 98385007 119773052 196770014 393540028 688695049 1377390098 2754780196