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61395048 = 233211136789
BaseRepresentation
bin1110101000110…
…1000001101000
311021112012011200
43222031001220
5111204120143
610031524200
71343564211
oct352150150
9137465150
1061395048
1131724010
1218689660
13c947c40
148222408
1555cb1d3
hex3a8d068

61395048 has 192 divisors, whose sum is σ = 200491200. Its totient is φ = 16727040.

The previous prime is 61395011. The next prime is 61395053. The reversal of 61395048 is 84059316.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 689788 + ... + 689876.

It is an arithmetic number, because the mean of its divisors is an integer number (1044225).

Almost surely, 261395048 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 61395048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100245600).

61395048 is an abundant number, since it is smaller than the sum of its proper divisors (139096152).

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

61395048 is a wasteful number, since it uses less digits than its factorization.

61395048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 61395048 is about 7835.4992183013. The cubic root of 61395048 is about 394.4976747635.

The spelling of 61395048 in words is "sixty-one million, three hundred ninety-five thousand, forty-eight".