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61945048 = 23118392
BaseRepresentation
bin1110110001001…
…1010011011000
311022120010122001
43230103103120
5111324220143
610051410344
71351344544
oct354232330
9138503561
1061945048
1131a6a260
12188b39b4
13caab399
148326a24
15568914d
hex3b134d8

61945048 has 24 divisors (see below), whose sum is σ = 126856980. Its totient is φ = 28123280.

The previous prime is 61945033. The next prime is 61945061. The reversal of 61945048 is 84054916.

It is a happy number.

61945048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61944998 and 61945016.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 73413 + ... + 74251.

Almost surely, 261945048 is an apocalyptic number.

It is an amenable number.

61945048 is an abundant number, since it is smaller than the sum of its proper divisors (64911932).

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

61945048 is an equidigital number, since it uses as much as digits as its factorization.

61945048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 61945048 is about 7870.5176449837. The cubic root of 61945048 is about 395.6721941143.

The spelling of 61945048 in words is "sixty-one million, nine hundred forty-five thousand, forty-eight".

Divisors: 1 2 4 8 11 22 44 88 839 1678 3356 6712 9229 18458 36916 73832 703921 1407842 2815684 5631368 7743131 15486262 30972524 61945048