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380553012 = 22337310273
BaseRepresentation
bin10110101011101…
…100011100110100
3222112002002121000
4112223230130310
51234410144022
6101432323300
712300435000
oct2653543464
9875062530
10380553012
111858a3124
12a7543530
1360ac2ac8
1438781700
15236216ac
hex16aec734

380553012 has 96 divisors (see below), whose sum is σ = 1150688000. Its totient is φ = 108718848.

The previous prime is 380553011. The next prime is 380553023. The reversal of 380553012 is 210355083.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380553011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31908 + ... + 42180.

Almost surely, 2380553012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380553012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575344000).

380553012 is an abundant number, since it is smaller than the sum of its proper divisors (770134988).

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

380553012 is a wasteful number, since it uses less digits than its factorization.

380553012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10307 (or 10285 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 380553012 is about 19507.7679912388. The cubic root of 380553012 is about 724.6668382840. Note that the first 3 decimals are identical.

The spelling of 380553012 in words is "three hundred eighty million, five hundred fifty-three thousand, twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 108 126 147 189 196 252 294 343 378 441 588 686 756 882 1029 1323 1372 1764 2058 2646 3087 4116 5292 6174 9261 10273 12348 18522 20546 30819 37044 41092 61638 71911 92457 123276 143822 184914 215733 277371 287644 369828 431466 503377 554742 647199 862932 1006754 1109484 1294398 1510131 1941597 2013508 2588796 3020262 3523639 3883194 4530393 6040524 7047278 7766388 9060786 10570917 13591179 14094556 18121572 21141834 27182358 31712751 42283668 54364716 63425502 95138253 126851004 190276506 380553012