Search a number
-
+
1377422848 = 298332413
BaseRepresentation
bin101001000011001…
…1100111000000000
310112222212022221001
41102012130320000
510310110012343
6344402541344
746063621024
oct12206347000
93488768831
101377422848
1164757919a
12325367854
1318c4a5309
14d0d16384
1580dd544d
hex5219ce00

1377422848 has 40 divisors (see below), whose sum is σ = 2785399848. Its totient is φ = 680392704.

The previous prime is 1377422801. The next prime is 1377422857. The reversal of 1377422848 is 8482247731.

It is a super-2 number, since 2×13774228482 = 3794587404384862208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1377422798 and 1377422807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26290 + ... + 58702.

Almost surely, 21377422848 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 1377422848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392699924).

1377422848 is an abundant number, since it is smaller than the sum of its proper divisors (1407977000).

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

1377422848 is an frugal number, since it uses more digits than its factorization.

1377422848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32514 (or 32498 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 1377422848 is about 37113.6477323370. The cubic root of 1377422848 is about 1112.6427972743.

The spelling of 1377422848 in words is "one billion, three hundred seventy-seven million, four hundred twenty-two thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 83 128 166 256 332 512 664 1328 2656 5312 10624 21248 32413 42496 64826 129652 259304 518608 1037216 2074432 2690279 4148864 5380558 8297728 10761116 16595456 21522232 43044464 86088928 172177856 344355712 688711424 1377422848