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380717230 = 25257148139
BaseRepresentation
bin10110101100010…
…100100010101110
3222112101102212011
4112230110202232
51234430422410
6101440031434
712302020525
oct2654244256
9875342764
10380717230
111859a5543
12a760257a
1360b4c78a
14387c54bc
152365518a
hex16b148ae

380717230 has 16 divisors (see below), whose sum is σ = 687962160. Its totient is φ = 151693312.

The previous prime is 380717219. The next prime is 380717263. The reversal of 380717230 is 32717083.

It is a junction number, because it is equal to n+sod(n) for n = 380717192 and 380717201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71500 + ... + 76639.

It is an arithmetic number, because the mean of its divisors is an integer number (42997635).

Almost surely, 2380717230 is an apocalyptic number.

380717230 is a deficient number, since it is larger than the sum of its proper divisors (307244930).

380717230 is a wasteful number, since it uses less digits than its factorization.

380717230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148403.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 380717230 is about 19511.9765785017. The cubic root of 380717230 is about 724.7710604918.

The spelling of 380717230 in words is "three hundred eighty million, seven hundred seventeen thousand, two hundred thirty".

Divisors: 1 2 5 10 257 514 1285 2570 148139 296278 740695 1481390 38071723 76143446 190358615 380717230