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68474304 = 2632532243
BaseRepresentation
bin1000001010011…
…01010111000000
311202211212002100
410011031113000
5120012134204
610443350400
71461010353
oct405152700
9152755070
1068474304
1135719838
121ab22400
1311256252
14914629a
156028a39
hex414d5c0

68474304 has 84 divisors (see below), whose sum is σ = 200061576. Its totient is φ = 22384128.

The previous prime is 68474299. The next prime is 68474311. The reversal of 68474304 is 40347486.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29407 + ... + 31649.

Almost surely, 268474304 is an apocalyptic number.

68474304 is a gapful number since it is divisible by the number (64) 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 68474304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100030788).

68474304 is an abundant number, since it is smaller than the sum of its proper divisors (131587272).

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

68474304 is a wasteful number, since it uses less digits than its factorization.

68474304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2301 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 68474304 is about 8274.9201808839. The cubic root of 68474304 is about 409.1123050897.

The spelling of 68474304 in words is "sixty-eight million, four hundred seventy-four thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 53 64 72 96 106 144 159 192 212 288 318 424 477 576 636 848 954 1272 1696 1908 2243 2544 3392 3816 4486 5088 6729 7632 8972 10176 13458 15264 17944 20187 26916 30528 35888 40374 53832 71776 80748 107664 118879 143552 161496 215328 237758 322992 356637 430656 475516 645984 713274 951032 1069911 1291968 1426548 1902064 2139822 2853096 3804128 4279644 5706192 7608256 8559288 11412384 17118576 22824768 34237152 68474304