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61375384 = 2371095989
BaseRepresentation
bin1110101000100…
…0001110011000
311021111012012101
43222020032120
5111203003014
610031253144
71343452660
oct352101630
9137435171
1061375384
1131710264
121867a1b4
13c93bcc5
1482191a0
1555c5474
hex3a88398

61375384 has 16 divisors (see below), whose sum is σ = 131518800. Its totient is φ = 26303712.

The previous prime is 61375361. The next prime is 61375403. The reversal of 61375384 is 48357316.

It is a super-2 number, since 2×613753842 = 7533875522294912, which contains 22 as substring.

It is a congruent number.

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, 547939 + ... + 548050.

It is an arithmetic number, because the mean of its divisors is an integer number (8219925).

Almost surely, 261375384 is an apocalyptic number.

It is an amenable number.

61375384 is an abundant number, since it is smaller than the sum of its proper divisors (70143416).

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

61375384 is a wasteful number, since it uses less digits than its factorization.

61375384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096002 (or 1095998 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 61375384 is about 7834.2443158227. The cubic root of 61375384 is about 394.4555528505.

The spelling of 61375384 in words is "sixty-one million, three hundred seventy-five thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 1095989 2191978 4383956 7671923 8767912 15343846 30687692 61375384