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1408420460 = 225618091427
BaseRepresentation
bin101001111110010…
…1100101001101100
310122011012011122202
41103330230221230
510341023423320
6351431201032
746621243046
oct12374545154
93564164582
101408420460
11663020157
12333816178
13195a393b5
14d50a4a96
15839a9b75
hex53f2ca6c

1408420460 has 48 divisors (see below), whose sum is σ = 3011994720. Its totient is φ = 553059840.

The previous prime is 1408420441. The next prime is 1408420469. The reversal of 1408420460 is 640248041.

It is a super-2 number, since 2×14084204602 = 3967296384293223200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1408420469) by changing a digit.

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, 986267 + ... + 987693.

It is an arithmetic number, because the mean of its divisors is an integer number (62749890).

Almost surely, 21408420460 is an apocalyptic number.

1408420460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1408420460 is an abundant number, since it is smaller than the sum of its proper divisors (1603574260).

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

1408420460 is a wasteful number, since it uses less digits than its factorization.

1408420460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306 (or 2304 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 1408420460 is about 37528.9283087061. The cubic root of 1408420460 is about 1120.9272879632.

The spelling of 1408420460 in words is "one billion, four hundred eight million, four hundred twenty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 809 1220 1427 1618 2854 3236 4045 5708 7135 8090 14270 16180 28540 49349 87047 98698 174094 197396 246745 348188 435235 493490 870470 986980 1154443 1740940 2308886 4617772 5772215 11544430 23088860 70421023 140842046 281684092 352105115 704210230 1408420460