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61484072 = 2313591193
BaseRepresentation
bin1110101010001…
…0110000101000
311021200201021212
43222202300220
5111214442242
610033452252
71344414566
oct352426050
9137621255
1061484072
1131784991
1218711088
13c979610
148246a36
1555e7782
hex3aa2c28

61484072 has 16 divisors (see below), whose sum is σ = 124150740. Its totient is φ = 28377216.

The previous prime is 61484063. The next prime is 61484107. The reversal of 61484072 is 27048416.

It can be written as a sum of positive squares in 2 ways, for example, as 60124516 + 1359556 = 7754^2 + 1166^2 .

It is a super-2 number, since 2×614840722 = 7560582219402368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295493 + ... + 295700.

Almost surely, 261484072 is an apocalyptic number.

It is an amenable number.

61484072 is an abundant number, since it is smaller than the sum of its proper divisors (62666668).

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

61484072 is a wasteful number, since it uses less digits than its factorization.

61484072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591212 (or 591208 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 61484072 is about 7841.1779727283. The cubic root of 61484072 is about 394.6882590806.

The spelling of 61484072 in words is "sixty-one million, four hundred eighty-four thousand, seventy-two".

Divisors: 1 2 4 8 13 26 52 104 591193 1182386 2364772 4729544 7685509 15371018 30742036 61484072