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1420754680 = 235188918803
BaseRepresentation
bin101010010101110…
…1111111011111000
310200000101211000201
41110223233323320
510402203122210
6352551411544
750131133632
oct12453577370
93600354021
101420754680
11669a85024
12337983bb4
13198467557
14d6995a52
1584ae453a
hex54aefef8

1420754680 has 32 divisors (see below), whose sum is σ = 3198560400. Its totient is φ = 567970816.

The previous prime is 1420754677. The next prime is 1420754711. The reversal of 1420754680 is 864570241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66159 + ... + 84961.

Almost surely, 21420754680 is an apocalyptic number.

1420754680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420754680 is an abundant number, since it is smaller than the sum of its proper divisors (1777805720).

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

1420754680 is a wasteful number, since it uses less digits than its factorization.

1420754680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20703 (or 20699 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 1420754680 is about 37692.8995966084. The cubic root of 1420754680 is about 1124.1899498719.

The spelling of 1420754680 in words is "one billion, four hundred twenty million, seven hundred fifty-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1889 3778 7556 9445 15112 18803 18890 37606 37780 75212 75560 94015 150424 188030 376060 752120 35518867 71037734 142075468 177594335 284150936 355188670 710377340 1420754680