Search a number
-
+
2550449148 = 2231389183697
BaseRepresentation
bin1001100000000100…
…1100001111111100
320120202010020111120
42120001030033330
520210403333043
61101024550540
7120126313542
oct23001141774
96522106446
102550449148
111099731215
125b2182450
13318514110
141a2a23d92
15edd93983
hex9804c3fc

2550449148 has 48 divisors (see below), whose sum is σ = 6480865440. Its totient is φ = 775931904.

The previous prime is 2550449147. The next prime is 2550449171. The reversal of 2550449148 is 8419440552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550449147) 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, 77965 + ... + 105732.

It is an arithmetic number, because the mean of its divisors is an integer number (135018030).

Almost surely, 22550449148 is an apocalyptic number.

It is an amenable number.

2550449148 is an abundant number, since it is smaller than the sum of its proper divisors (3930416292).

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

2550449148 is a wasteful number, since it uses less digits than its factorization.

2550449148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183806 (or 183804 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 2550449148 is about 50501.9717238842. The cubic root of 2550449148 is about 1366.2774157230.

The spelling of 2550449148 in words is "two billion, five hundred fifty million, four hundred forty-nine thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 89 156 178 267 356 534 1068 1157 2314 3471 4628 6942 13884 183697 367394 551091 734788 1102182 2204364 2388061 4776122 7164183 9552244 14328366 16349033 28656732 32698066 49047099 65396132 98094198 196188396 212537429 425074858 637612287 850149716 1275224574 2550449148