Search a number
-
+
1387004604 = 2232331162109
BaseRepresentation
bin101001010101100…
…0000001010111100
310120122220010121220
41102223000022330
510320033121404
6345344153340
746241226126
oct12253001274
93518803556
101387004604
11651a230a7
12328608850
1319147b6ab
14d22cc216
1581b794d9
hex52ac02bc

1387004604 has 48 divisors (see below), whose sum is σ = 3486013440. Its totient is φ = 427965120.

The previous prime is 1387004537. The next prime is 1387004609. The reversal of 1387004604 is 4064007831.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387004609) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 72499 + ... + 89610.

It is an arithmetic number, because the mean of its divisors is an integer number (72625280).

Almost surely, 21387004604 is an apocalyptic number.

It is an amenable number.

1387004604 is an abundant number, since it is smaller than the sum of its proper divisors (2099008836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1387004604 is a wasteful number, since it uses less digits than its factorization.

1387004604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162170 (or 162168 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1387004604 is about 37242.5107102086. The cubic root of 1387004604 is about 1115.2167941646.

The spelling of 1387004604 in words is "one billion, three hundred eighty-seven million, four thousand, six hundred four".

Divisors: 1 2 3 4 6 12 23 31 46 62 69 92 93 124 138 186 276 372 713 1426 2139 2852 4278 8556 162109 324218 486327 648436 972654 1945308 3728507 5025379 7457014 10050758 11185521 14914028 15076137 20101516 22371042 30152274 44742084 60304548 115583717 231167434 346751151 462334868 693502302 1387004604