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380091740 = 22572714941
BaseRepresentation
bin10110101001111…
…011110101011100
3222111012122211212
4112221323311130
51234300413430
6101414403552
712263504120
oct2651736534
9874178755
10380091740
11185608606
12a73605b8
1360990b72
14386a1580
152357eb95
hex16a7bd5c

380091740 has 24 divisors (see below), whose sum is σ = 912220512. Its totient is φ = 130317120.

The previous prime is 380091727. The next prime is 380091743. The reversal of 380091740 is 47190083.

It is a junction number, because it is equal to n+sod(n) for n = 380091697 and 380091706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380091743) 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, 1357331 + ... + 1357610.

It is an arithmetic number, because the mean of its divisors is an integer number (38009188).

Almost surely, 2380091740 is an apocalyptic number.

It is an amenable number.

380091740 is an abundant number, since it is smaller than the sum of its proper divisors (532128772).

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

380091740 is a wasteful number, since it uses less digits than its factorization.

380091740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714957 (or 2714955 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 380091740 is about 19495.9416289647. The cubic root of 380091740 is about 724.3739280026.

The spelling of 380091740 in words is "three hundred eighty million, ninety-one thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2714941 5429882 10859764 13574705 19004587 27149410 38009174 54298820 76018348 95022935 190045870 380091740