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14209020 = 2234572179
BaseRepresentation
bin110110001100…
…111111111100
3222201220010000
4312030333330
512114142040
61224314300
7231526500
oct66147774
928656100
1014209020
1180254a1
124912990
132c36607
141c5c300
1513aa130
hexd8cffc

14209020 has 180 divisors, whose sum is σ = 52141320. Its totient is φ = 3229632.

The previous prime is 14208989. The next prime is 14209051. The reversal of 14209020 is 2090241.

It is an interprime number because it is at equal distance from previous prime (14208989) and next prime (14209051).

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 14208984 and 14209002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 79291 + ... + 79469.

It is an arithmetic number, because the mean of its divisors is an integer number (289674).

Almost surely, 214209020 is an apocalyptic number.

14209020 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 14209020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26070660).

14209020 is an abundant number, since it is smaller than the sum of its proper divisors (37932300).

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

14209020 is a wasteful number, since it uses less digits than its factorization.

14209020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 14209020 is about 3769.4853760162. The cubic root of 14209020 is about 242.2077536582.

Adding to 14209020 its reverse (2090241), we get a palindrome (16299261).

It can be divided in two parts, 1420 and 9020, that added together give a triangular number (10440 = T144).

The spelling of 14209020 in words is "fourteen million, two hundred nine thousand, twenty".