Search a number
-
+
1430274340 = 2251141158567
BaseRepresentation
bin101010101000000…
…0100000100100100
310200200022110112201
41111100010010210
510412122234330
6353531424244
750305063015
oct12520040444
93620273481
101430274340
11674397310
1233abb5084
1319a41b5a1
14d7d5300c
1585874eca
hex55404124

1430274340 has 48 divisors (see below), whose sum is σ = 3356567424. Its totient is φ = 507411200.

The previous prime is 1430274323. The next prime is 1430274353. The reversal of 1430274340 is 434720341.

It is a junction number, because it is equal to n+sod(n) for n = 1430274299 and 1430274308.

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, 70264 + ... + 88303.

It is an arithmetic number, because the mean of its divisors is an integer number (69928488).

Almost surely, 21430274340 is an apocalyptic number.

1430274340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430274340 is an abundant number, since it is smaller than the sum of its proper divisors (1926293084).

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

1430274340 is a wasteful number, since it uses less digits than its factorization.

1430274340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158628 (or 158626 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 1430274340 is about 37818.9679922655. The cubic root of 1430274340 is about 1126.6952128352.

Adding to 1430274340 its reverse (434720341), we get a palindrome (1864994681).

The spelling of 1430274340 in words is "one billion, four hundred thirty million, two hundred seventy-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 41 44 55 82 110 164 205 220 410 451 820 902 1804 2255 4510 9020 158567 317134 634268 792835 1585670 1744237 3171340 3488474 6501247 6976948 8721185 13002494 17442370 26004988 32506235 34884740 65012470 71513717 130024940 143027434 286054868 357568585 715137170 1430274340