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20240235428 = 22717237272543
BaseRepresentation
bin10010110110011010…
…010111101110100100
31221020120120111022012
4102312122113232210
5312423000013203
613144230253352
71314400106510
oct226632275644
957216514265
1020240235428
1186470a34a6
123b0a4b7258
131ba73ab98a
14da017d140
157d6dc1bd8
hex4b6697ba4

20240235428 has 96 divisors (see below), whose sum is σ = 44804358144. Its totient is φ = 7795358208.

The previous prime is 20240235413. The next prime is 20240235443. The reversal of 20240235428 is 82453204202.

It is an interprime number because it is at equal distance from previous prime (20240235413) and next prime (20240235443).

It is a junction number, because it is equal to n+sod(n) for n = 20240235394 and 20240235403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7957925 + ... + 7960467.

It is an arithmetic number, because the mean of its divisors is an integer number (466712064).

Almost surely, 220240235428 is an apocalyptic number.

20240235428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20240235428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22402179072).

20240235428 is an abundant number, since it is smaller than the sum of its proper divisors (24564122716).

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

20240235428 is a wasteful number, since it uses less digits than its factorization.

20240235428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321 (or 3319 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 20240235428 in words is "twenty billion, two hundred forty million, two hundred thirty-five thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 17 23 28 34 46 68 92 119 161 238 322 391 476 644 727 782 1454 1564 2543 2737 2908 5086 5089 5474 10172 10178 10948 12359 16721 17801 20356 24718 33442 35602 43231 49436 58489 66884 71204 86462 86513 116978 117047 172924 173026 233956 234094 284257 302617 346052 409423 468188 568514 605234 818846 994313 1137028 1210468 1637692 1848761 1988626 1989799 3697522 3977252 3979598 6960191 7395044 7959196 12941327 13920382 25882654 27840764 31428937 42521503 51765308 62857874 85043006 125715748 170086012 220002559 297650521 440005118 595301042 722865551 880010236 1190602084 1445731102 2891462204 5060058857 10120117714 20240235428