Search a number
-
+
461141040 = 24358921589
BaseRepresentation
bin11011011111000…
…111010000110000
31012010201101120210
4123133013100300
51421023003130
6113431504120
714266430343
oct3337072060
91163641523
10461141040
112173360a8
1210a528040
13746caa29
144535c45a
152a73e5b0
hex1b7c7430

461141040 has 80 divisors (see below), whose sum is σ = 1445666400. Its totient is φ = 121583616.

The previous prime is 461140993. The next prime is 461141047. The reversal of 461141040 is 40141164.

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

It is a junction number, because it is equal to n+sod(n) for n = 461140998 and 461141016.

It is not an unprimeable number, because it can be changed into a prime (461141047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10566 + ... + 32154.

It is an arithmetic number, because the mean of its divisors is an integer number (18070830).

Almost surely, 2461141040 is an apocalyptic number.

461141040 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 461141040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722833200).

461141040 is an abundant number, since it is smaller than the sum of its proper divisors (984525360).

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

461141040 is a wasteful number, since it uses less digits than its factorization.

461141040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21694 (or 21688 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 461141040 is about 21474.1947462530. The cubic root of 461141040 is about 772.5820107526.

The spelling of 461141040 in words is "four hundred sixty-one million, one hundred forty-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 89 120 178 240 267 356 445 534 712 890 1068 1335 1424 1780 2136 2670 3560 4272 5340 7120 10680 21360 21589 43178 64767 86356 107945 129534 172712 215890 259068 323835 345424 431780 518136 647670 863560 1036272 1295340 1727120 1921421 2590680 3842842 5181360 5764263 7685684 9607105 11528526 15371368 19214210 23057052 28821315 30742736 38428420 46114104 57642630 76856840 92228208 115285260 153713680 230570520 461141040