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380633842 = 21711195113
BaseRepresentation
bin10110101100000…
…000001011110010
3222112020012110201
4112230000023302
51234420240332
6101434145414
712301222441
oct2654001362
9875205421
10380633842
11185948926
12a758226a
1360b20834
14387a2d58
152363a5e7
hex16b002f2

380633842 has 8 divisors (see below), whose sum is σ = 604536156. Its totient is φ = 179121792.

The previous prime is 380633801. The next prime is 380633861. The reversal of 380633842 is 248336083.

It can be written as a sum of positive squares in 2 ways, for example, as 380601081 + 32761 = 19509^2 + 181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5597523 + ... + 5597590.

Almost surely, 2380633842 is an apocalyptic number.

380633842 is a deficient number, since it is larger than the sum of its proper divisors (223902314).

380633842 is a wasteful number, since it uses less digits than its factorization.

380633842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11195132.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 380633842 is about 19509.8396200481. The cubic root of 380633842 is about 724.7181414070.

It can be divided in two parts, 38063 and 3842, that added together give a triangular number (41905 = T289).

The spelling of 380633842 in words is "three hundred eighty million, six hundred thirty-three thousand, eight hundred forty-two".

Divisors: 1 2 17 34 11195113 22390226 190316921 380633842