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61074064 = 24171511487
BaseRepresentation
bin1110100011111…
…0101010010000
311020220212212101
43220332222100
5111113332224
610021010144
71341056332
oct350765220
9136825771
1061074064
1131524937
1218553954
13c864acc
14817b452
155566044
hex3a3ea90

61074064 has 40 divisors (see below), whose sum is σ = 126206208. Its totient is φ = 28531200.

The previous prime is 61074053. The next prime is 61074067. The reversal of 61074064 is 46047016.

61074064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61074067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40329 + ... + 41815.

Almost surely, 261074064 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 61074064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63103104).

61074064 is an abundant number, since it is smaller than the sum of its proper divisors (65132144).

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

61074064 is a wasteful number, since it uses less digits than its factorization.

61074064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 61074064 is about 7814.9896992894. The cubic root of 61074064 is about 393.8089723044.

The spelling of 61074064 in words is "sixty-one million, seventy-four thousand, sixty-four".

Divisors: 1 2 4 8 16 17 34 68 136 151 272 302 604 1208 1487 2416 2567 2974 5134 5948 10268 11896 20536 23792 25279 41072 50558 101116 202232 224537 404464 449074 898148 1796296 3592592 3817129 7634258 15268516 30537032 61074064