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1406808080 = 24537475273
BaseRepresentation
bin101001111011010…
…0011000000010000
310122001011020212222
41103312203000100
510340120324310
6351332440212
746601446166
oct12366430020
93561136788
101406808080
11662119807
12333179068
131955c3522
14d4ba5236
158378c055
hex53da3010

1406808080 has 40 divisors (see below), whose sum is σ = 3359236632. Its totient is φ = 547513344.

The previous prime is 1406808071. The next prime is 1406808103. The reversal of 1406808080 is 808086041.

It can be written as a sum of positive squares in 4 ways, for example, as 122589184 + 1284218896 = 11072^2 + 35836^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1406808080.

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, 234677 + ... + 240596.

Almost surely, 21406808080 is an apocalyptic number.

1406808080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406808080 is an abundant number, since it is smaller than the sum of its proper divisors (1952428552).

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

1406808080 is a wasteful number, since it uses less digits than its factorization.

1406808080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475323 (or 475317 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 1406808080 is about 37507.4403285535. The cubic root of 1406808080 is about 1120.4993734002.

The spelling of 1406808080 in words is "one billion, four hundred six million, eight hundred eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 37 40 74 80 148 185 296 370 592 740 1480 2960 475273 950546 1901092 2376365 3802184 4752730 7604368 9505460 17585101 19010920 35170202 38021840 70340404 87925505 140680808 175851010 281361616 351702020 703404040 1406808080