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331377124 = 221317557673
BaseRepresentation
bin10011110000000…
…110100111100100
3212002112200221211
4103300012213210
51134313031444
652514321204
711132442031
oct2360064744
9762480854
10331377124
111600655a1
1292b89204
1353865850
1432020388
151e15ac34
hex13c069e4

331377124 has 48 divisors (see below), whose sum is σ = 663426288. Its totient is φ = 143474688.

The previous prime is 331377121. The next prime is 331377127. The reversal of 331377124 is 421773133.

It is an interprime number because it is at equal distance from previous prime (331377121) and next prime (331377127).

It can be written as a sum of positive squares in 8 ways, for example, as 45158400 + 286218724 = 6720^2 + 16918^2 .

It is a super-2 number, since 2×3313771242 = 219621596621022752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331377121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492052 + ... + 492724.

It is an arithmetic number, because the mean of its divisors is an integer number (13821381).

Almost surely, 2331377124 is an apocalyptic number.

331377124 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

331377124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

331377124 is a wasteful number, since it uses less digits than its factorization.

331377124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264 (or 1262 counting only the distinct ones).

The product of its digits is 10584, while the sum is 31.

The square root of 331377124 is about 18203.7667530651. The cubic root of 331377124 is about 692.0022525459.

The spelling of 331377124 in words is "three hundred thirty-one million, three hundred seventy-seven thousand, one hundred twenty-four".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 557 673 884 1114 1346 2228 2692 7241 8749 9469 11441 14482 17498 18938 22882 28964 34996 37876 45764 123097 148733 246194 297466 374861 492388 594932 749722 1499444 4873193 6372637 9746386 12745274 19492772 25490548 82844281 165688562 331377124