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61303465 = 5101233521
BaseRepresentation
bin1110100111011…
…0101010101001
311021100112112201
43221312222221
5111143202330
610025540201
71343033206
oct351665251
9137315481
1061303465
1131671223
1218644661
13c915352
1481dacad
1555adeca
hex3a76aa9

61303465 has 16 divisors (see below), whose sum is σ = 74754576. Its totient is φ = 48256000.

The previous prime is 61303439. The next prime is 61303469. The reversal of 61303465 is 56430316.

It can be written as a sum of positive squares in 8 ways, for example, as 135424 + 61168041 = 368^2 + 7821^2 .

It is not a de Polignac number, because 61303465 - 29 = 61302953 is a prime.

It is a super-2 number, since 2×613034652 = 7516229642012450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61303469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117405 + ... + 117925.

It is an arithmetic number, because the mean of its divisors is an integer number (4672161).

Almost surely, 261303465 is an apocalyptic number.

It is an amenable number.

61303465 is a deficient number, since it is larger than the sum of its proper divisors (13451111).

61303465 is a wasteful number, since it uses less digits than its factorization.

61303465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 61303465 is about 7829.6529297281. The cubic root of 61303465 is about 394.3014197380.

The spelling of 61303465 in words is "sixty-one million, three hundred three thousand, four hundred sixty-five".

Divisors: 1 5 101 233 505 521 1165 2605 23533 52621 117665 121393 263105 606965 12260693 61303465