Search a number
-
+
1372230520 = 23534305763
BaseRepresentation
bin101000111001010…
…1001001101111000
310112122002112101121
41101302221031320
510302242334040
6344055355024
746001524033
oct12162511570
93478075347
101372230520
11644652111
12323682a74
1318b3a7b2b
14d036401a
158070bc4a
hex51ca9378

1372230520 has 16 divisors (see below), whose sum is σ = 3087518760. Its totient is φ = 548892192.

The previous prime is 1372230449. The next prime is 1372230533. The reversal of 1372230520 is 250322731.

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, 17152842 + ... + 17152921.

Almost surely, 21372230520 is an apocalyptic number.

1372230520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372230520 is an abundant number, since it is smaller than the sum of its proper divisors (1715288240).

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

1372230520 is a wasteful number, since it uses less digits than its factorization.

1372230520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34305774 (or 34305770 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 1372230520 is about 37043.6299517204. The cubic root of 1372230520 is about 1111.2429654931.

The spelling of 1372230520 in words is "one billion, three hundred seventy-two million, two hundred thirty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 34305763 68611526 137223052 171528815 274446104 343057630 686115260 1372230520