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61416208 = 247319231
BaseRepresentation
bin1110101001001…
…0001100010000
311021120021012101
43222102030100
5111210304313
610032210144
71344013000
oct352221420
9137507171
1061416208
11317389a7
1218699954
13c954769
14822a000
1555d25dd
hex3a92310

61416208 has 120 divisors (see below), whose sum is σ = 151180800. Its totient is φ = 24131520.

The previous prime is 61416193. The next prime is 61416217. The reversal of 61416208 is 80261416.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1981153 + ... + 1981183.

It is an arithmetic number, because the mean of its divisors is an integer number (1259840).

Almost surely, 261416208 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 61416208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75590400).

61416208 is an abundant number, since it is smaller than the sum of its proper divisors (89764592).

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

61416208 is a wasteful number, since it uses less digits than its factorization.

61416208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 61416208 is about 7836.8493669331. The cubic root of 61416208 is about 394.5429911870.

The spelling of 61416208 in words is "sixty-one million, four hundred sixteen thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 16 19 28 31 38 49 56 62 76 98 112 124 133 152 196 217 248 266 304 343 361 392 434 496 532 589 686 722 784 868 931 1064 1178 1372 1444 1519 1736 1862 2128 2356 2527 2744 2888 3038 3472 3724 4123 4712 5054 5488 5776 6076 6517 7448 8246 9424 10108 10633 11191 12152 13034 14896 16492 17689 20216 21266 22382 24304 26068 28861 32984 35378 40432 42532 44764 52136 57722 65968 70756 78337 85064 89528 104272 115444 123823 141512 156674 170128 179056 202027 230888 247646 283024 313348 404054 461776 495292 548359 626696 808108 990584 1096718 1253392 1616216 1981168 2193436 3232432 3838513 4386872 7677026 8773744 15354052 30708104 61416208