Search a number
-
+
381243032 = 23232071973
BaseRepresentation
bin10110101110010…
…100111010011000
3222120101011010022
4112232110322120
51240044234112
6101455210012
712306340502
oct2656247230
9876334108
10381243032
11186224595
12a7816908
1360ca4bc1
14388c0d72
152370ad72
hex16b94e98

381243032 has 16 divisors (see below), whose sum is σ = 745910640. Its totient is φ = 182333536.

The previous prime is 381242989. The next prime is 381243047. The reversal of 381243032 is 230342183.

381243032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 381242992 and 381243010.

It is a congruent number.

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, 1035803 + ... + 1036170.

It is an arithmetic number, because the mean of its divisors is an integer number (46619415).

Almost surely, 2381243032 is an apocalyptic number.

It is an amenable number.

381243032 is a deficient number, since it is larger than the sum of its proper divisors (364667608).

381243032 is a wasteful number, since it uses less digits than its factorization.

381243032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072002 (or 2071998 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 381243032 is about 19525.4457567555. The cubic root of 381243032 is about 725.1045632777.

The spelling of 381243032 in words is "three hundred eighty-one million, two hundred forty-three thousand, thirty-two".

Divisors: 1 2 4 8 23 46 92 184 2071973 4143946 8287892 16575784 47655379 95310758 190621516 381243032