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14897740 = 22511135209
BaseRepresentation
bin111000110101…
…001001001100
31001000212212011
4320311021030
512303211430
61251151004
7240425434
oct70651114
931025764
1014897740
118455990
124ba5464
133117c40
141d9b2c4
15149422a
hexe3524c

14897740 has 48 divisors (see below), whose sum is σ = 36761760. Its totient is φ = 4999680.

The previous prime is 14897723. The next prime is 14897761. The reversal of 14897740 is 4779841.

It is a junction number, because it is equal to n+sod(n) for n = 14897693 and 14897702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256 + ... + 5464.

It is an arithmetic number, because the mean of its divisors is an integer number (765870).

Almost surely, 214897740 is an apocalyptic number.

14897740 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 14897740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18380880).

14897740 is an abundant number, since it is smaller than the sum of its proper divisors (21864020).

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

14897740 is a wasteful number, since it uses less digits than its factorization.

14897740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242 (or 5240 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 14897740 is about 3859.7590598378. The cubic root of 14897740 is about 246.0594960420.

It can be divided in two parts, 1489 and 7740, that added together give a palindrome (9229).

The spelling of 14897740 in words is "fourteen million, eight hundred ninety-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 5209 10418 20836 26045 52090 57299 67717 104180 114598 135434 229196 270868 286495 338585 572990 677170 744887 1145980 1354340 1489774 2979548 3724435 7448870 14897740