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1429075680 = 253513921419
BaseRepresentation
bin101010100101101…
…1111011011100000
310200121001120021220
41111023133123200
510411320410210
6353450015040
750261641254
oct12513373340
93617046256
101429075680
1167374878a
1233a717480
1319a0bbb16
14d7b20264
15856d9c70
hex552df6e0

1429075680 has 96 divisors (see below), whose sum is σ = 4534185600. Its totient is φ = 378327552.

The previous prime is 1429075651. The next prime is 1429075693. The reversal of 1429075680 is 865709241.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56011 + ... + 77429.

It is an arithmetic number, because the mean of its divisors is an integer number (47231100).

Almost surely, 21429075680 is an apocalyptic number.

1429075680 is a gapful number since it is divisible by the number (10) 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 1429075680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2267092800).

1429075680 is an abundant number, since it is smaller than the sum of its proper divisors (3105109920).

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

1429075680 is a wasteful number, since it uses less digits than its factorization.

1429075680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21576 (or 21568 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1429075680 is about 37803.1173317757. The cubic root of 1429075680 is about 1126.3803776793.

The spelling of 1429075680 in words is "one billion, four hundred twenty-nine million, seventy-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 139 160 240 278 417 480 556 695 834 1112 1390 1668 2085 2224 2780 3336 4170 4448 5560 6672 8340 11120 13344 16680 21419 22240 33360 42838 64257 66720 85676 107095 128514 171352 214190 257028 321285 342704 428380 514056 642570 685408 856760 1028112 1285140 1713520 2056224 2570280 2977241 3427040 5140560 5954482 8931723 10281120 11908964 14886205 17863446 23817928 29772410 35726892 44658615 47635856 59544820 71453784 89317230 95271712 119089640 142907568 178634460 238179280 285815136 357268920 476358560 714537840 1429075680