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61255803 = 372916943
BaseRepresentation
bin1110100110101…
…1000001111011
311021021010011110
43221223001323
5111140141203
610024531403
71342444230
oct351530173
9137233143
1061255803
1131639434
1218620b63
13c8c974b
1481c7787
15559ed03
hex3a6b07b

61255803 has 8 divisors (see below), whose sum is σ = 93342208. Its totient is φ = 35003304.

The previous prime is 61255729. The next prime is 61255813. The reversal of 61255803 is 30855216.

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

It is not a de Polignac number, because 61255803 - 29 = 61255291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61255813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458451 + ... + 1458492.

It is an arithmetic number, because the mean of its divisors is an integer number (11667776).

Almost surely, 261255803 is an apocalyptic number.

61255803 is a deficient number, since it is larger than the sum of its proper divisors (32086405).

61255803 is a wasteful number, since it uses less digits than its factorization.

61255803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916953.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 61255803 is about 7826.6086525391. The cubic root of 61255803 is about 394.1992065554.

The spelling of 61255803 in words is "sixty-one million, two hundred fifty-five thousand, eight hundred three".

Divisors: 1 3 7 21 2916943 8750829 20418601 61255803