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381339010 = 25139730241
BaseRepresentation
bin10110101110101…
…100010110000010
3222120120000210001
4112232230112002
51240110322020
6101501230214
712310220353
oct2656542602
9876500701
10381339010
1118628a708
12a786236a
13610097b0
1438907d2a
152372950a
hex16bac582

381339010 has 32 divisors (see below), whose sum is σ = 746856432. Its totient is φ = 139345920.

The previous prime is 381339001. The next prime is 381339031. The reversal of 381339010 is 10933183.

It can be written as a sum of positive squares in 8 ways, for example, as 33628401 + 347710609 = 5799^2 + 18647^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 381339010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2511 + ... + 27730.

Almost surely, 2381339010 is an apocalyptic number.

381339010 is a deficient number, since it is larger than the sum of its proper divisors (365517422).

381339010 is a wasteful number, since it uses less digits than its factorization.

381339010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30358.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 381339010 is about 19527.9033692816. The cubic root of 381339010 is about 725.1654065724.

The spelling of 381339010 in words is "three hundred eighty-one million, three hundred thirty-nine thousand, ten".

Divisors: 1 2 5 10 13 26 65 97 130 194 485 970 1261 2522 6305 12610 30241 60482 151205 302410 393133 786266 1965665 2933377 3931330 5866754 14666885 29333770 38133901 76267802 190669505 381339010