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61474384 = 243842149
BaseRepresentation
bin1110101010000…
…0011001010000
311021200020000001
43222200121100
5111214140014
610033335344
71344344416
oct352403120
9137606001
1061474384
1131778684
1218707554
13c97509a
1482432b6
1555e4974
hex3aa0650

61474384 has 10 divisors (see below), whose sum is σ = 119106650. Its totient is φ = 30737184.

The previous prime is 61474379. The next prime is 61474411. The reversal of 61474384 is 48347416.

It can be written as a sum of positive squares in only one way, i.e., 45697600 + 15776784 = 6760^2 + 3972^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1921059 + ... + 1921090.

It is an arithmetic number, because the mean of its divisors is an integer number (11910665).

Almost surely, 261474384 is an apocalyptic number.

It is an amenable number.

61474384 is a deficient number, since it is larger than the sum of its proper divisors (57632266).

61474384 is a wasteful number, since it uses less digits than its factorization.

61474384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842157 (or 3842151 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 61474384 is about 7840.5601840685. The cubic root of 61474384 is about 394.6675277455.

The spelling of 61474384 in words is "sixty-one million, four hundred seventy-four thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 3842149 7684298 15368596 30737192 61474384