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380108940 = 223510759207
BaseRepresentation
bin10110101010000…
…000000010001100
3222111020112102220
4112222000002030
51234301441230
6101415015340
712263605221
oct2652000214
9874215386
10380108940
1118561a522
12a736a550
1360998943
14386a7948
1523584d10
hex16a8008c

380108940 has 48 divisors (see below), whose sum is σ = 1074269952. Its totient is φ = 100413376.

The previous prime is 380108929. The next prime is 380108941. The reversal of 380108940 is 49801083.

It is not an unprimeable number, because it can be changed into a prime (380108941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23184 + ... + 36023.

It is an arithmetic number, because the mean of its divisors is an integer number (22380624).

Almost surely, 2380108940 is an apocalyptic number.

380108940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380108940 is an abundant number, since it is smaller than the sum of its proper divisors (694161012).

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

380108940 is a wasteful number, since it uses less digits than its factorization.

380108940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59326 (or 59324 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 380108940 is about 19496.3827414215. The cubic root of 380108940 is about 724.3848543503.

The spelling of 380108940 in words is "three hundred eighty million, one hundred eight thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 107 214 321 428 535 642 1070 1284 1605 2140 3210 6420 59207 118414 177621 236828 296035 355242 592070 710484 888105 1184140 1776210 3552420 6335149 12670298 19005447 25340596 31675745 38010894 63351490 76021788 95027235 126702980 190054470 380108940