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1405430324 = 2217672511229
BaseRepresentation
bin101001111000101…
…0010101000110100
310121221120020221222
41103301102220310
510334242232244
6351243125512
746553650334
oct12361225064
93557506858
101405430324
11661368671
12332813898
1319523039c
14d49270c4
15835b8bee
hex53c52a34

1405430324 has 48 divisors (see below), whose sum is σ = 2655737280. Its totient is φ = 648384000.

The previous prime is 1405430297. The next prime is 1405430333. The reversal of 1405430324 is 4230345041.

It is a junction number, because it is equal to n+sod(n) for n = 1405430293 and 1405430302.

It is a congruent number.

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, 1142942 + ... + 1144170.

It is an arithmetic number, because the mean of its divisors is an integer number (55327860).

Almost surely, 21405430324 is an apocalyptic number.

It is an amenable number.

1405430324 is a deficient number, since it is larger than the sum of its proper divisors (1250306956).

1405430324 is a wasteful number, since it uses less digits than its factorization.

1405430324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1405430324 is about 37489.0693936246. The cubic root of 1405430324 is about 1120.1334673002.

Adding to 1405430324 its reverse (4230345041), we get a palindrome (5635775365).

The spelling of 1405430324 in words is "one billion, four hundred five million, four hundred thirty thousand, three hundred twenty-four".

Divisors: 1 2 4 17 34 67 68 134 251 268 502 1004 1139 1229 2278 2458 4267 4556 4916 8534 16817 17068 20893 33634 41786 67268 82343 83572 164686 285889 308479 329372 571778 616958 1143556 1233916 1399831 2799662 5244143 5599324 10488286 20668093 20976572 41336186 82672372 351357581 702715162 1405430324