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14649740 = 2257269389
BaseRepresentation
bin110111111000…
…100110001100
31000120021122222
4313320212030
512222242430
61241554512
7235343420
oct67704614
930507588
1014649740
1182a6626
124aa5a38
13305c0b1
141d34b80
1514459e5
hexdf898c

14649740 has 48 divisors (see below), whose sum is σ = 35380800. Its totient is φ = 4991232.

The previous prime is 14649721. The next prime is 14649769. The reversal of 14649740 is 4794641.

It is a super-2 number, since 2×146497402 = 429229764135200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 14649740.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37466 + ... + 37854.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

Almost surely, 214649740 is an apocalyptic number.

14649740 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 14649740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17690400).

14649740 is an abundant number, since it is smaller than the sum of its proper divisors (20731060).

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

14649740 is a wasteful number, since it uses less digits than its factorization.

14649740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 14649740 is about 3827.4978772039. The cubic root of 14649740 is about 244.6864794329.

The spelling of 14649740 in words is "fourteen million, six hundred forty-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 269 389 538 778 1076 1345 1556 1883 1945 2690 2723 3766 3890 5380 5446 7532 7780 9415 10892 13615 18830 27230 37660 54460 104641 209282 418564 523205 732487 1046410 1464974 2092820 2929948 3662435 7324870 14649740