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93142408 = 2319643953
BaseRepresentation
bin1011000110100…
…11110110001000
320111021010100211
411203103312020
5142321024113
613124210504
72210461132
oct543236610
9214233324
1093142408
11486382a7
1227239a34
13163b2368
14c528052
15829cb3d
hex58d3d88

93142408 has 32 divisors (see below), whose sum is σ = 184312800. Its totient is φ = 44005248.

The previous prime is 93142381. The next prime is 93142409. The reversal of 93142408 is 80424139.

It is a self number, because there is not a number n which added to its sum of digits gives 93142408.

It is not an unprimeable number, because it can be changed into a prime (93142409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97260 + ... + 98212.

It is an arithmetic number, because the mean of its divisors is an integer number (5759775).

Almost surely, 293142408 is an apocalyptic number.

It is an amenable number.

93142408 is a deficient number, since it is larger than the sum of its proper divisors (91170392).

93142408 is a wasteful number, since it uses less digits than its factorization.

93142408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 93142408 is about 9651.0314474672. The cubic root of 93142408 is about 453.2966266896.

The spelling of 93142408 in words is "ninety-three million, one hundred forty-two thousand, four hundred eight".

Divisors: 1 2 4 8 19 38 76 152 643 953 1286 1906 2572 3812 5144 7624 12217 18107 24434 36214 48868 72428 97736 144856 612779 1225558 2451116 4902232 11642801 23285602 46571204 93142408