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14830480 = 245771373
BaseRepresentation
bin111000100100…
…101110010000
31000220110121001
4320210232100
512244033410
61245511344
7240025360
oct70445620
930813531
1014830480
11840a3a5
124b72554
1330c3442
141d809a0
15147e33a
hexe24b90

14830480 has 80 divisors (see below), whose sum is σ = 40068864. Its totient is φ = 4999680.

The previous prime is 14830471. The next prime is 14830481. The reversal of 14830480 is 8403841.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14830481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39574 + ... + 39946.

Almost surely, 214830480 is an apocalyptic number.

14830480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14830480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20034432).

14830480 is an abundant number, since it is smaller than the sum of its proper divisors (25238384).

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

14830480 is a wasteful number, since it uses less digits than its factorization.

14830480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 14830480 is about 3851.0362241869. The cubic root of 14830480 is about 245.6886359689.

It can be divided in two parts, 148 and 30480, that added together give a triangular number (30628 = T247).

The spelling of 14830480 in words is "fourteen million, eight hundred thirty thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 71 80 112 140 142 280 284 355 373 497 560 568 710 746 994 1136 1420 1492 1865 1988 2485 2611 2840 2984 3730 3976 4970 5222 5680 5968 7460 7952 9940 10444 13055 14920 19880 20888 26110 26483 29840 39760 41776 52220 52966 104440 105932 132415 185381 208880 211864 264830 370762 423728 529660 741524 926905 1059320 1483048 1853810 2118640 2966096 3707620 7415240 14830480