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380017100 = 225219200009
BaseRepresentation
bin10110101001101…
…001100111001100
3222111001212110102
4112221221213030
51234241021400
6101413030232
712263043401
oct2651514714
9874055412
10380017100
11185567521
12a7325378
1360965bb8
14386822a8
15235679d5
hex16a699cc

380017100 has 36 divisors (see below), whose sum is σ = 868043400. Its totient is φ = 144005760.

The previous prime is 380017061. The next prime is 380017103. The reversal of 380017100 is 1710083.

It is a Harshad number since it is a multiple of its sum of digits (20).

380017100 is a modest number, since divided by 17100 gives 3800 as remainder.

It is not an unprimeable number, because it can be changed into a prime (380017103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98105 + ... + 101904.

Almost surely, 2380017100 is an apocalyptic number.

It is an amenable number.

380017100 is an abundant number, since it is smaller than the sum of its proper divisors (488026300).

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

380017100 is a wasteful number, since it uses less digits than its factorization.

380017100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200042 (or 200035 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 380017100 is about 19494.0272904292. The cubic root of 380017100 is about 724.3265089159.

Adding to 380017100 its reverse (1710083), we get a palindrome (381727183).

The spelling of 380017100 in words is "three hundred eighty million, seventeen thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 200009 400018 800036 1000045 2000090 3800171 4000180 5000225 7600342 10000450 15200684 19000855 20000900 38001710 76003420 95004275 190008550 380017100