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93649013 = 698313411
BaseRepresentation
bin1011001010011…
…11100001110101
320112012212021222
411211033201311
5142433232023
613143120125
72215001123
oct545174165
9215185258
1093649013
1148953987
1227443045
131652bb23
14c61a913
15834ccc8
hex594f875

93649013 has 4 divisors (see below), whose sum is σ = 93669408. Its totient is φ = 93628620.

The previous prime is 93649009. The next prime is 93649021. The reversal of 93649013 is 31094639.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31094639 = 42173859.

It is a cyclic number.

It is not a de Polignac number, because 93649013 - 22 = 93649009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93649063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 13688.

It is an arithmetic number, because the mean of its divisors is an integer number (23417352).

Almost surely, 293649013 is an apocalyptic number.

It is an amenable number.

93649013 is a deficient number, since it is larger than the sum of its proper divisors (20395).

93649013 is a wasteful number, since it uses less digits than its factorization.

93649013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20394.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 93649013 is about 9677.2420141278. The cubic root of 93649013 is about 454.1169735528.

The spelling of 93649013 in words is "ninety-three million, six hundred forty-nine thousand, thirteen".

Divisors: 1 6983 13411 93649013