Search a number
-
+
387474739 = 2414093931
BaseRepresentation
bin10111000110000…
…110010100110011
31000000002202102021
4113012012110303
51243143142424
6102240532311
712413323651
oct2706062463
91000082367
10387474739
111897a0563
12a9921097
13623774c2
1439663dd1
152403c4e4
hex17186533

387474739 has 8 divisors (see below), whose sum is σ = 390133040. Its totient is φ = 384825600.

The previous prime is 387474707. The next prime is 387474743. The reversal of 387474739 is 937474783.

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

It is a cyclic number.

It is not a de Polignac number, because 387474739 - 25 = 387474707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387474749) 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, 96604 + ... + 100534.

It is an arithmetic number, because the mean of its divisors is an integer number (48766630).

Almost surely, 2387474739 is an apocalyptic number.

387474739 is a deficient number, since it is larger than the sum of its proper divisors (2658301).

387474739 is a wasteful number, since it uses less digits than its factorization.

387474739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581.

The product of its digits is 3556224, while the sum is 52.

The square root of 387474739 is about 19684.3780445306. The cubic root of 387474739 is about 729.0340253939.

The spelling of 387474739 in words is "three hundred eighty-seven million, four hundred seventy-four thousand, seven hundred thirty-nine".

Divisors: 1 241 409 3931 98569 947371 1607779 387474739