Search a number
-
+
381502793 = 7127429137
BaseRepresentation
bin10110101111010…
…100010101001001
3222120212100110002
4112233110111021
51240131042133
6101504532345
712311502020
oct2657242511
9876770402
10381502793
11186391771
12a79210b5
13610661c9
143894b8b7
152375cce8
hex16bd4549

381502793 has 8 divisors (see below), whose sum is σ = 439437312. Its totient is φ = 324426816.

The previous prime is 381502789. The next prime is 381502811. The reversal of 381502793 is 397205183.

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

It is not a de Polignac number, because 381502793 - 22 = 381502789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381502703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213680 + ... + 215457.

It is an arithmetic number, because the mean of its divisors is an integer number (54929664).

Almost surely, 2381502793 is an apocalyptic number.

It is an amenable number.

381502793 is a deficient number, since it is larger than the sum of its proper divisors (57934519).

381502793 is a wasteful number, since it uses less digits than its factorization.

381502793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429271.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 381502793 is about 19532.0964824568. The cubic root of 381502793 is about 725.2692098927.

The spelling of 381502793 in words is "three hundred eighty-one million, five hundred two thousand, seven hundred ninety-three".

Divisors: 1 7 127 889 429137 3003959 54500399 381502793