Search a number
-
+
1456430340 = 223559411421
BaseRepresentation
bin101011011001111…
…0101110100000100
310202111112022211110
41112303311310010
510440321232330
6400304205020
751043311411
oct12663656404
93674468743
101456430340
11688131742
12347909770
131a2978a01
14db601108
1587cdedb0
hex56cf5d04

1456430340 has 48 divisors (see below), whose sum is σ = 4147133760. Its totient is φ = 381797760.

The previous prime is 1456430329. The next prime is 1456430383. The reversal of 1456430340 is 430346541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1456430298 and 1456430307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202171 + ... + 209250.

It is an arithmetic number, because the mean of its divisors is an integer number (86398620).

Almost surely, 21456430340 is an apocalyptic number.

1456430340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1456430340 is an abundant number, since it is smaller than the sum of its proper divisors (2690703420).

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

1456430340 is a wasteful number, since it uses less digits than its factorization.

1456430340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411492 (or 411490 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1456430340 is about 38163.2066262781. The cubic root of 1456430340 is about 1133.5218753989.

Adding to 1456430340 its reverse (430346541), we get a palindrome (1886776881).

The spelling of 1456430340 in words is "one billion, four hundred fifty-six million, four hundred thirty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 411421 822842 1234263 1645684 2057105 2468526 4114210 4937052 6171315 8228420 12342630 24273839 24685260 48547678 72821517 97095356 121369195 145643034 242738390 291286068 364107585 485476780 728215170 1456430340