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1420655352 = 2332331611361
BaseRepresentation
bin101010010101101…
…0111101011111000
310200000012202202220
41110223113223320
510402141432402
6352545324040
750130241224
oct12453275370
93600182686
101420655352
11669a17436
12337936620
1319843128c
14d696b784
1584ac4dbc
hex54ad7af8

1420655352 has 128 divisors (see below), whose sum is σ = 3891179520. Its totient is φ = 430848000.

The previous prime is 1420655311. The next prime is 1420655359. The reversal of 1420655352 is 2535560241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420655359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1043152 + ... + 1044512.

It is an arithmetic number, because the mean of its divisors is an integer number (30399840).

Almost surely, 21420655352 is an apocalyptic number.

1420655352 is a gapful number since it is divisible by the number (12) 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 1420655352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1945589760).

1420655352 is an abundant number, since it is smaller than the sum of its proper divisors (2470524168).

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

1420655352 is a wasteful number, since it uses less digits than its factorization.

1420655352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 1420655352 is about 37691.5819779430. The cubic root of 1420655352 is about 1124.1637510863.

The spelling of 1420655352 in words is "one billion, four hundred twenty million, six hundred fifty-five thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 23 24 31 46 61 62 69 92 93 122 124 138 183 184 186 244 248 276 366 372 488 552 713 732 744 1361 1403 1426 1464 1891 2139 2722 2806 2852 3782 4083 4209 4278 5444 5612 5673 5704 7564 8166 8418 8556 10888 11224 11346 15128 16332 16836 17112 22692 31303 32664 33672 42191 43493 45384 62606 83021 84382 86986 93909 125212 126573 130479 166042 168764 173972 187818 249063 250424 253146 260958 332084 337528 347944 375636 498126 506292 521916 664168 751272 970393 996252 1012584 1043832 1909483 1940786 1992504 2573651 2911179 3818966 3881572 5147302 5728449 5822358 7637932 7720953 7763144 10294604 11456898 11644716 15275864 15441906 20589208 22913796 23289432 30883812 45827592 59193973 61767624 118387946 177581919 236775892 355163838 473551784 710327676 1420655352