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1420357488 = 243112690071
BaseRepresentation
bin101010010101000…
…1110111101110000
310122222122122011220
41110222032331300
510402102414423
6352535105040
750124560634
oct12452167560
93588578156
101420357488
11669833670
12337812180
13198358824
14d68d0dc4
1584a669e3
hex54a8ef70

1420357488 has 40 divisors (see below), whose sum is σ = 4002827136. Its totient is φ = 430411200.

The previous prime is 1420357481. The next prime is 1420357513. The reversal of 1420357488 is 8847530241.

1420357488 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×14203574883 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420357481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344508 + ... + 1345563.

Almost surely, 21420357488 is an apocalyptic number.

It is an amenable number.

1420357488 is an abundant number, since it is smaller than the sum of its proper divisors (2582469648).

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

1420357488 is a wasteful number, since it uses less digits than its factorization.

1420357488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690093 (or 2690087 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 1420357488 is about 37687.6304375852. The cubic root of 1420357488 is about 1124.0851790583.

The spelling of 1420357488 in words is "one billion, four hundred twenty million, three hundred fifty-seven thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 2690071 5380142 8070213 10760284 16140426 21520568 29590781 32280852 43041136 59181562 64561704 88772343 118363124 129123408 177544686 236726248 355089372 473452496 710178744 1420357488