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93103990 = 2571970003
BaseRepresentation
bin1011000110010…
…10011101110110
320111012011122221
411203022131312
5142313311430
613123312554
72210241130
oct543123566
9214164587
1093103990
1148611451
122721b75a
131639aa25
14c518050
15829157a
hex58ca776

93103990 has 32 divisors (see below), whose sum is σ = 201611520. Its totient is φ = 30240864.

The previous prime is 93103979. The next prime is 93103993. The reversal of 93103990 is 9930139.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93103993) 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, 33672 + ... + 36331.

It is an arithmetic number, because the mean of its divisors is an integer number (6300360).

Almost surely, 293103990 is an apocalyptic number.

93103990 is an abundant number, since it is smaller than the sum of its proper divisors (108507530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

93103990 is a wasteful number, since it uses less digits than its factorization.

93103990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70036.

The product of its (nonzero) digits is 6561, while the sum is 34.

The square root of 93103990 is about 9649.0408849792. The cubic root of 93103990 is about 453.2342950942.

The spelling of 93103990 in words is "ninety-three million, one hundred three thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 70003 140006 350015 490021 700030 980042 1330057 2450105 2660114 4900210 6650285 9310399 13300570 18620798 46551995 93103990