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88029421 = 715692179
BaseRepresentation
bin1010011111100…
…11100011101101
320010122100122221
411033303203231
5140013420141
612422435341
72116144354
oct517634355
9203570587
1088029421
1145765897
1225592b51
131531201c
14b99699b
157adcbd1
hex53f38ed

88029421 has 8 divisors (see below), whose sum is σ = 89467200. Its totient is φ = 86597280.

The previous prime is 88029391. The next prime is 88029427. The reversal of 88029421 is 12492088.

88029421 = T418 + T419 + ... + T843.

88029421 is nontrivially palindromic in base 14.

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

It is not a de Polignac number, because 88029421 - 29 = 88028909 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 (88029427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39310 + ... + 41488.

It is an arithmetic number, because the mean of its divisors is an integer number (11183400).

Almost surely, 288029421 is an apocalyptic number.

It is an amenable number.

88029421 is a deficient number, since it is larger than the sum of its proper divisors (1437779).

88029421 is a wasteful number, since it uses less digits than its factorization.

88029421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 88029421 is about 9382.3995331685. The cubic root of 88029421 is about 444.8455820742.

The spelling of 88029421 in words is "eighty-eight million, twenty-nine thousand, four hundred twenty-one".

Divisors: 1 71 569 2179 40399 154709 1239851 88029421