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380906125 = 5371167257
BaseRepresentation
bin10110101101000…
…010101010001101
3222112202000222021
4112231002222031
51240002444000
6101444050141
712303435325
oct2655025215
9875660867
10380906125
11186014456
12a7693951
1360bb7752
1438834285
152369111a
hex16b42a8d

380906125 has 32 divisors (see below), whose sum is σ = 486839808. Its totient is φ = 297472000.

The previous prime is 380906117. The next prime is 380906137. The reversal of 380906125 is 521609083.

It is not a de Polignac number, because 380906125 - 23 = 380906117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1481997 + ... + 1482253.

It is an arithmetic number, because the mean of its divisors is an integer number (15213744).

Almost surely, 2380906125 is an apocalyptic number.

It is an amenable number.

380906125 is a deficient number, since it is larger than the sum of its proper divisors (105933683).

380906125 is a wasteful number, since it uses less digits than its factorization.

380906125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 380906125 is about 19516.8164668319. The cubic root of 380906125 is about 724.8909070891.

The spelling of 380906125 in words is "three hundred eighty million, nine hundred six thousand, one hundred twenty-five".

Divisors: 1 5 25 71 125 167 257 355 835 1285 1775 4175 6425 8875 11857 18247 20875 32125 42919 59285 91235 214595 296425 456175 1072975 1482125 2280875 3047249 5364875 15236245 76181225 380906125