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1230798480 = 24355128327
BaseRepresentation
bin100100101011100…
…0111111010010000
310011202222001002220
41021113013322100
510010041022410
6322044141040
742333420522
oct11127077220
93152861086
101230798480
1158183212a
122a4237780
13167cb8a32
14b9669a12
15730c1070
hex495c7e90

1230798480 has 40 divisors (see below), whose sum is σ = 3815476032. Its totient is φ = 328212864.

The previous prime is 1230798449. The next prime is 1230798551. The reversal of 1230798480 is 848970321.

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

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, 2563924 + ... + 2564403.

Almost surely, 21230798480 is an apocalyptic number.

1230798480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230798480 is an abundant number, since it is smaller than the sum of its proper divisors (2584677552).

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

1230798480 is a wasteful number, since it uses less digits than its factorization.

1230798480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128343 (or 5128337 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1230798480 is about 35082.7376354811. The cubic root of 1230798480 is about 1071.6730689766.

The spelling of 1230798480 in words is "one billion, two hundred thirty million, seven hundred ninety-eight thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 5128327 10256654 15384981 20513308 25641635 30769962 41026616 51283270 61539924 76924905 82053232 102566540 123079848 153849810 205133080 246159696 307699620 410266160 615399240 1230798480