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88831413 = 32113724251
BaseRepresentation
bin1010100101101…
…11010110110101
320012011002210100
411102313112311
5140220101123
612451544313
72126024466
oct522672665
9205132710
1088831413
11461633a0
12258bb099
1315533088
14bb24d6d
157bea643
hex54b75b5

88831413 has 24 divisors (see below), whose sum is σ = 143765856. Its totient is φ = 52380000.

The previous prime is 88831387. The next prime is 88831417. The reversal of 88831413 is 31413888.

It is not a de Polignac number, because 88831413 - 26 = 88831349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88831417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8463 + ... + 15788.

It is an arithmetic number, because the mean of its divisors is an integer number (5990244).

Almost surely, 288831413 is an apocalyptic number.

It is an amenable number.

88831413 is a deficient number, since it is larger than the sum of its proper divisors (54934443).

88831413 is a wasteful number, since it uses less digits than its factorization.

88831413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24305 (or 24302 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 88831413 is about 9425.0418036208. The cubic root of 88831413 is about 446.1924220136.

It can be divided in two parts, 8883 and 1413, that added together give a triangular number (10296 = T143).

The spelling of 88831413 in words is "eighty-eight million, eight hundred thirty-one thousand, four hundred thirteen".

Divisors: 1 3 9 11 33 37 99 111 333 407 1221 3663 24251 72753 218259 266761 800283 897287 2400849 2691861 8075583 9870157 29610471 88831413