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61480744 = 2313591161
BaseRepresentation
bin1110101010000…
…1111100101000
311021200112201121
43222201330220
5111214340434
610033425024
71344402103
oct352417450
9137615647
1061480744
1131782436
121870b174
13c977c50
14824573a
1555e67b4
hex3aa1f28

61480744 has 16 divisors (see below), whose sum is σ = 124144020. Its totient is φ = 28375680.

The previous prime is 61480733. The next prime is 61480759. The reversal of 61480744 is 44708416.

61480744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 60248644 + 1232100 = 7762^2 + 1110^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 295477 + ... + 295684.

Almost surely, 261480744 is an apocalyptic number.

It is an amenable number.

61480744 is an abundant number, since it is smaller than the sum of its proper divisors (62663276).

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

61480744 is a wasteful number, since it uses less digits than its factorization.

61480744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591180 (or 591176 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 61480744 is about 7840.9657568440. The cubic root of 61480744 is about 394.6811377445.

The spelling of 61480744 in words is "sixty-one million, four hundred eighty thousand, seven hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 591161 1182322 2364644 4729288 7685093 15370186 30740372 61480744