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1430523234 = 23377614973
BaseRepresentation
bin101010101000100…
…0000110101100010
310200200210002222000
41111101000311202
510412203220414
6353541024430
750310150450
oct12521006542
93620702860
101430523234
11674547308
1233b0b5116
1319a4a796a
14d7db99d0
15858c3b09
hex55440d62

1430523234 has 64 divisors (see below), whose sum is σ = 3638580480. Its totient is φ = 408101760.

The previous prime is 1430523217. The next prime is 1430523247. The reversal of 1430523234 is 4323250341.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1430523198 and 1430523207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285172 + ... + 290144.

It is an arithmetic number, because the mean of its divisors is an integer number (56852820).

Almost surely, 21430523234 is an apocalyptic number.

1430523234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430523234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1819290240).

1430523234 is an abundant number, since it is smaller than the sum of its proper divisors (2208057246).

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

1430523234 is a wasteful number, since it uses less digits than its factorization.

1430523234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5752 (or 5746 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1430523234 is about 37822.2584465814. The cubic root of 1430523234 is about 1126.7605642636.

Adding to 1430523234 its reverse (4323250341), we get a palindrome (5753773575).

The spelling of 1430523234 in words is "one billion, four hundred thirty million, five hundred twenty-three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 761 1522 2283 4566 4973 5327 6849 9946 10654 13698 14919 15981 20547 29838 31962 34811 41094 44757 47943 69622 89514 95886 104433 134271 143829 208866 268542 287658 313299 626598 939897 1879794 3784453 7568906 11353359 22706718 26491171 34060077 52982342 68120154 79473513 102180231 158947026 204360462 238420539 476841078 715261617 1430523234