Search a number
-
+
74853120 = 2835101193
BaseRepresentation
bin1000111011000…
…10101100000000
312012211221011210
410131202230000
5123130244440
611232210120
71566145446
oct435425400
9165757153
1074853120
1139286291
1221099940
131267a7b4
149d26b96
156888a80
hex4762b00

74853120 has 144 divisors (see below), whose sum is σ = 242680032. Its totient is φ = 19660800.

The previous prime is 74853073. The next prime is 74853131. The reversal of 74853120 is 2135847.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387744 + ... + 387936.

It is an arithmetic number, because the mean of its divisors is an integer number (1685278).

Almost surely, 274853120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74853120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121340016).

74853120 is an abundant number, since it is smaller than the sum of its proper divisors (167826912).

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

74853120 is a wasteful number, since it uses less digits than its factorization.

74853120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 74853120 is about 8651.7697611529. The cubic root of 74853120 is about 421.4408563196.

Adding to 74853120 its reverse (2135847), we get a palindrome (76988967).

The spelling of 74853120 in words is "seventy-four million, eight hundred fifty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 101 120 128 160 192 193 202 240 256 303 320 384 386 404 480 505 579 606 640 768 772 808 960 965 1010 1158 1212 1280 1515 1544 1616 1920 1930 2020 2316 2424 2895 3030 3088 3232 3840 3860 4040 4632 4848 5790 6060 6176 6464 7720 8080 9264 9696 11580 12120 12352 12928 15440 16160 18528 19392 19493 23160 24240 24704 25856 30880 32320 37056 38784 38986 46320 48480 49408 58479 61760 64640 74112 77568 77972 92640 96960 97465 116958 123520 129280 148224 155944 185280 193920 194930 233916 247040 292395 311888 370560 387840 389860 467832 584790 623776 741120 779720 935664 1169580 1247552 1559440 1871328 2339160 2495104 3118880 3742656 4678320 4990208 6237760 7485312 9356640 12475520 14970624 18713280 24951040 37426560 74853120