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1408835020 = 225398917659
BaseRepresentation
bin101001111111001…
…0001110111001100
310122011222020022211
41103332101313030
510341130210040
6351444120204
746624620505
oct12376216714
93564866284
101408835020
1166328366a
12333996064
13195b52cb8
14d5171bac
1583a3c8ea
hex53f91dcc

1408835020 has 24 divisors (see below), whose sum is σ = 2959462800. Its totient is φ = 563360832.

The previous prime is 1408834997. The next prime is 1408835053. The reversal of 1408835020 is 205388041.

It is a super-2 number, since 2×14088350202 = 3969632227156800800, which contains 22 as substring.

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, 70951 + ... + 88609.

It is an arithmetic number, because the mean of its divisors is an integer number (123310950).

Almost surely, 21408835020 is an apocalyptic number.

1408835020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1408835020 is an abundant number, since it is smaller than the sum of its proper divisors (1550627780).

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

1408835020 is a wasteful number, since it uses less digits than its factorization.

1408835020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21657 (or 21655 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1408835020 is about 37534.4511082818. The cubic root of 1408835020 is about 1121.0372565519.

The spelling of 1408835020 in words is "one billion, four hundred eight million, eight hundred thirty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 3989 7978 15956 17659 19945 35318 39890 70636 79780 88295 176590 353180 70441751 140883502 281767004 352208755 704417510 1408835020