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505097307 = 321113439127
BaseRepresentation
bin11110000110110…
…010110001011011
31022012102121020200
4132012302301123
52013301103212
6122041553243
715342153621
oct3606626133
91265377220
10505097307
1123a1290a0
121211a5823
138084b260
144b121511
152e5236dc
hex1e1b2c5b

505097307 has 48 divisors (see below), whose sum is σ = 877164288. Its totient is φ = 275970240.

The previous prime is 505097303. The next prime is 505097309. The reversal of 505097307 is 703790505.

It is not a de Polignac number, because 505097307 - 22 = 505097303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505097303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50778 + ... + 59904.

It is an arithmetic number, because the mean of its divisors is an integer number (18274256).

Almost surely, 2505097307 is an apocalyptic number.

505097307 is a deficient number, since it is larger than the sum of its proper divisors (372066981).

505097307 is a wasteful number, since it uses less digits than its factorization.

505097307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200 (or 9197 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 36.

The square root of 505097307 is about 22474.3700022937. The cubic root of 505097307 is about 796.3885688847.

The spelling of 505097307 in words is "five hundred five million, ninety-seven thousand, three hundred seven".

Divisors: 1 3 9 11 13 33 39 43 99 117 129 143 387 429 473 559 1287 1419 1677 4257 5031 6149 9127 18447 27381 55341 82143 100397 118651 301191 355953 392461 903573 1067859 1177383 1305161 3532149 3915483 4317071 5101993 11746449 12951213 15305979 38853639 45917937 56121923 168365769 505097307