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93860639 = 616432393
BaseRepresentation
bin1011001100000…
…11001100011111
320112121121120222
411212003030133
5143012020024
613151431555
72216542115
oct546031437
9215547528
1093860639
1148a88984
12275255bb
13165a4252
14c673ab5
15839085e
hex598331f

93860639 has 8 divisors (see below), whose sum is σ = 95587632. Its totient is φ = 92139840.

The previous prime is 93860593. The next prime is 93860671. The reversal of 93860639 is 93606839.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-93860639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93860639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93860939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38027 + ... + 40419.

It is an arithmetic number, because the mean of its divisors is an integer number (11948454).

Almost surely, 293860639 is an apocalyptic number.

93860639 is a deficient number, since it is larger than the sum of its proper divisors (1726993).

93860639 is a wasteful number, since it uses less digits than its factorization.

93860639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 93860639 is about 9688.1700542466. The cubic root of 93860639 is about 454.4587840921.

The spelling of 93860639 in words is "ninety-three million, eight hundred sixty thousand, six hundred thirty-nine".

Divisors: 1 61 643 2393 39223 145973 1538699 93860639