Search a number
-
+
381225734 = 2190612867
BaseRepresentation
bin10110101110010…
…000101100000110
3222120100021101122
4112232100230012
51240043210414
6101454553542
712306236201
oct2656205406
9876307348
10381225734
1118621259a
12a78088b2
1360c9a076
14388b8938
1523705b8e
hex16b90b06

381225734 has 4 divisors (see below), whose sum is σ = 571838604. Its totient is φ = 190612866.

The previous prime is 381225703. The next prime is 381225773. The reversal of 381225734 is 437522183.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 381225694 and 381225703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95306432 + ... + 95306435.

It is an arithmetic number, because the mean of its divisors is an integer number (142959651).

Almost surely, 2381225734 is an apocalyptic number.

381225734 is a deficient number, since it is larger than the sum of its proper divisors (190612870).

381225734 is a wasteful number, since it uses less digits than its factorization.

381225734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190612869.

The product of its digits is 40320, while the sum is 35.

The square root of 381225734 is about 19525.0027912930. The cubic root of 381225734 is about 725.0935964775.

The spelling of 381225734 in words is "three hundred eighty-one million, two hundred twenty-five thousand, seven hundred thirty-four".

Divisors: 1 2 190612867 381225734