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88872239 = 291730467
BaseRepresentation
bin1010100110000…
…01010100101111
320012020011210102
411103001110233
5140222402424
612452501315
72126254511
oct523012457
9205204712
1088872239
1146191035
122591a83b
1315548831
14bb35bb1
157c077ae
hex54c152f

88872239 has 4 divisors (see below), whose sum is σ = 88905624. Its totient is φ = 88838856.

The previous prime is 88872233. The next prime is 88872263. The reversal of 88872239 is 93227888.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88872239 - 28 = 88871983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88872193 and 88872202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88872233) 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 3 ways as a sum of consecutive naturals, for example, 12317 + ... + 18150.

It is an arithmetic number, because the mean of its divisors is an integer number (22226406).

Almost surely, 288872239 is an apocalyptic number.

88872239 is a deficient number, since it is larger than the sum of its proper divisors (33385).

88872239 is a wasteful number, since it uses less digits than its factorization.

88872239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33384.

The product of its digits is 387072, while the sum is 47.

The square root of 88872239 is about 9427.2073807676. The cubic root of 88872239 is about 446.2607666875.

The spelling of 88872239 in words is "eighty-eight million, eight hundred seventy-two thousand, two hundred thirty-nine".

Divisors: 1 2917 30467 88872239