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4761680 = 245711773
BaseRepresentation
bin10010001010100001010000
322221220210112
4102022201100
52204333210
6250020452
755321310
oct22124120
98856715
104761680
112762580
121717728
13ca9481
148bd440
15640d05
hex48a850

4761680 has 80 divisors (see below), whose sum is σ = 13820544. Its totient is φ = 1482240.

The previous prime is 4761677. The next prime is 4761689. The reversal of 4761680 is 861674.

4761680 = T139 + T140 + ... + T314.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4761689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5774 + ... + 6546.

Almost surely, 24761680 is an apocalyptic number.

4761680 is a gapful number since it is divisible by the number (40) 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 4761680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6910272).

4761680 is an abundant number, since it is smaller than the sum of its proper divisors (9058864).

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

4761680 is a wasteful number, since it uses less digits than its factorization.

4761680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4761680 is about 2182.1274023301. The cubic root of 4761680 is about 168.2364395707.

The spelling of 4761680 in words is "four million, seven hundred sixty-one thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 55 56 70 77 80 88 110 112 140 154 176 220 280 308 385 440 560 616 770 773 880 1232 1540 1546 3080 3092 3865 5411 6160 6184 7730 8503 10822 12368 15460 17006 21644 27055 30920 34012 42515 43288 54110 59521 61840 68024 85030 86576 108220 119042 136048 170060 216440 238084 297605 340120 432880 476168 595210 680240 952336 1190420 2380840 4761680