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14889420 = 22345713101
BaseRepresentation
bin111000110011…
…000111001100
31001000110110000
4320303013030
512302430140
61251044300
7240362250
oct70630714
931013400
1014889420
11844a707
124ba0690
133114210
141d98260
151491a30
hexe331cc

14889420 has 240 divisors, whose sum is σ = 58056768. Its totient is φ = 3110400.

The previous prime is 14889401. The next prime is 14889431. The reversal of 14889420 is 2498841.

14889420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 147370 + ... + 147470.

Almost surely, 214889420 is an apocalyptic number.

14889420 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 14889420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29028384).

14889420 is an abundant number, since it is smaller than the sum of its proper divisors (43167348).

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

14889420 is a wasteful number, since it uses less digits than its factorization.

14889420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 14889420 is about 3858.6811218342. The cubic root of 14889420 is about 246.0136815710.

14889420 divided by its sum of digits (36) gives a triangular number (413595 = T909).

The spelling of 14889420 in words is "fourteen million, eight hundred eighty-nine thousand, four hundred twenty".