Search a number
-
+
1848545940 = 223530809099
BaseRepresentation
bin110111000101110…
…1001001010010100
311202211100212022110
41232023221022110
512241211432230
6503232431020
763544244523
oct15613511224
94684325273
101848545940
11869501a1a
124370a8470
13235c89687
141377124ba
15ac4474b0
hex6e2e9294

1848545940 has 24 divisors (see below), whose sum is σ = 5175928800. Its totient is φ = 492945568.

The previous prime is 1848545917. The next prime is 1848545947. The reversal of 1848545940 is 495458481.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1848545940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1848545947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15404490 + ... + 15404609.

It is an arithmetic number, because the mean of its divisors is an integer number (215663700).

Almost surely, 21848545940 is an apocalyptic number.

1848545940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1848545940 is an abundant number, since it is smaller than the sum of its proper divisors (3327382860).

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

1848545940 is a wasteful number, since it uses less digits than its factorization.

1848545940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30809111 (or 30809109 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The square root of 1848545940 is about 42994.7199083794. The cubic root of 1848545940 is about 1227.2793192712.

The spelling of 1848545940 in words is "one billion, eight hundred forty-eight million, five hundred forty-five thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 30809099 61618198 92427297 123236396 154045495 184854594 308090990 369709188 462136485 616181980 924272970 1848545940