Search a number
-
+
331377125 = 532651017
BaseRepresentation
bin10011110000000…
…110100111100101
3212002112200221212
4103300012213211
51134313032000
652514321205
711132442032
oct2360064745
9762480855
10331377125
111600655a2
1292b89205
1353865851
1432020389
151e15ac35
hex13c069e5

331377125 has 8 divisors (see below), whose sum is σ = 413558808. Its totient is φ = 265101600.

The previous prime is 331377121. The next prime is 331377127. The reversal of 331377125 is 521773133.

It can be written as a sum of positive squares in 4 ways, for example, as 391876 + 330985249 = 626^2 + 18193^2 .

It is not a de Polignac number, because 331377125 - 22 = 331377121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331377091 and 331377100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331377121) 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, 1325384 + ... + 1325633.

It is an arithmetic number, because the mean of its divisors is an integer number (51694851).

Almost surely, 2331377125 is an apocalyptic number.

It is an amenable number.

331377125 is a deficient number, since it is larger than the sum of its proper divisors (82181683).

331377125 is an equidigital number, since it uses as much as digits as its factorization.

331377125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651032 (or 2651022 counting only the distinct ones).

The product of its digits is 13230, while the sum is 32.

The square root of 331377125 is about 18203.7667805320. The cubic root of 331377125 is about 692.0022532420.

The spelling of 331377125 in words is "three hundred thirty-one million, three hundred seventy-seven thousand, one hundred twenty-five".

Divisors: 1 5 25 125 2651017 13255085 66275425 331377125