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61952091 = 329712093
BaseRepresentation
bin1110110001010…
…1000001011011
311022120111021220
43230111001123
5111324431331
610051503123
71351404225
oct354250133
9138514256
1061952091
1131a74583
12188b7aa3
13cab1656
148329415
15568b296
hex3b1505b

61952091 has 8 divisors (see below), whose sum is σ = 85451280. Its totient is φ = 39877152.

The previous prime is 61952089. The next prime is 61952101. The reversal of 61952091 is 19025916.

61952091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61952091 - 21 = 61952089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61952021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 355960 + ... + 356133.

It is an arithmetic number, because the mean of its divisors is an integer number (10681410).

Almost surely, 261952091 is an apocalyptic number.

61952091 is a deficient number, since it is larger than the sum of its proper divisors (23499189).

61952091 is a wasteful number, since it uses less digits than its factorization.

61952091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712125.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 61952091 is about 7870.9650615411. The cubic root of 61952091 is about 395.6871891986.

The spelling of 61952091 in words is "sixty-one million, nine hundred fifty-two thousand, ninety-one".

Divisors: 1 3 29 87 712093 2136279 20650697 61952091