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93809313 = 3313673989
BaseRepresentation
bin1011001011101…
…10101010100001
320112112000012000
411211312222201
5143003344223
613150354213
72216236353
oct545665241
9215460160
1093809313
1148a53364
12274bb969
1316586a90
14c65d0d3
158380543
hex5976aa1

93809313 has 32 divisors (see below), whose sum is σ = 151939200. Its totient is φ = 56852928.

The previous prime is 93809299. The next prime is 93809333. The reversal of 93809313 is 31390839.

It is not a de Polignac number, because 93809313 - 224 = 77032097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (93809333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21523 + ... + 25511.

It is an arithmetic number, because the mean of its divisors is an integer number (4748100).

Almost surely, 293809313 is an apocalyptic number.

It is an amenable number.

93809313 is a deficient number, since it is larger than the sum of its proper divisors (58129887).

93809313 is a wasteful number, since it uses less digits than its factorization.

93809313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078 (or 4072 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 93809313 is about 9685.5207913669. The cubic root of 93809313 is about 454.3759314544.

The spelling of 93809313 in words is "ninety-three million, eight hundred nine thousand, three hundred thirteen".

Divisors: 1 3 9 13 27 39 67 117 201 351 603 871 1809 2613 3989 7839 11967 23517 35901 51857 107703 155571 267263 466713 801789 1400139 2405367 3474419 7216101 10423257 31269771 93809313