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241580080 = 2457641673
BaseRepresentation
bin11100110011000…
…11100000110000
3121211120112120101
432121203200300
5443321030310
635545522144
75662253050
oct1631434060
9554515511
10241580080
11114402765
1268aa3354
133b0850c1
1424127560
151631e43a
hexe663830

241580080 has 80 divisors (see below), whose sum is σ = 643869504. Its totient is φ = 82575360.

The previous prime is 241580051. The next prime is 241580089. The reversal of 241580080 is 80085142.

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

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (241580089) 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, 358624 + ... + 359296.

Almost surely, 2241580080 is an apocalyptic number.

241580080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

241580080 is the 8974-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 241580080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321934752).

241580080 is an abundant number, since it is smaller than the sum of its proper divisors (402289424).

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

241580080 is a wasteful number, since it uses less digits than its factorization.

241580080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 241580080 is about 15542.8465861309. The cubic root of 241580080 is about 622.8073180292.

The spelling of 241580080 in words is "two hundred forty-one million, five hundred eighty thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 641 673 1282 1346 2564 2692 3205 3365 4487 4711 5128 5384 6410 6730 8974 9422 10256 10768 12820 13460 17948 18844 22435 23555 25640 26920 35896 37688 44870 47110 51280 53840 71792 75376 89740 94220 179480 188440 358960 376880 431393 862786 1725572 2156965 3019751 3451144 4313930 6039502 6902288 8627860 12079004 15098755 17255720 24158008 30197510 34511440 48316016 60395020 120790040 241580080