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74285056 = 2152267
BaseRepresentation
bin1000110110110…
…00000000000000
312011210001221101
410123120000000
5123004110211
611212104144
71561261336
oct433300000
9164701841
1074285056
1138a2850a
1220a65054
131250c071
149c19b56
1567c55c1
hex46d8000

74285056 has 32 divisors (see below), whose sum is σ = 148633380. Its totient is φ = 37126144.

The previous prime is 74285033. The next prime is 74285059. The reversal of 74285056 is 65058247.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74285059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31635 + ... + 33901.

Almost surely, 274285056 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 74285056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74316690).

74285056 is an abundant number, since it is smaller than the sum of its proper divisors (74348324).

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

74285056 is an frugal number, since it uses more digits than its factorization.

74285056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 74285056 is about 8618.8778852006. The cubic root of 74285056 is about 420.3720361881.

The spelling of 74285056 in words is "seventy-four million, two hundred eighty-five thousand, fifty-six".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 2267 4096 4534 8192 9068 16384 18136 32768 36272 72544 145088 290176 580352 1160704 2321408 4642816 9285632 18571264 37142528 74285056