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101032421 = 7101142903
BaseRepresentation
bin1100000010110…
…10000111100101
321001002222102112
412001122013211
5201331014141
614005250405
72334522110
oct601320745
9231088375
10101032421
1152037176
1229a03a05
1317c156c9
14d5bd577
158d0a7eb
hex605a1e5

101032421 has 8 divisors (see below), whose sum is σ = 116609664. Its totient is φ = 85741200.

The previous prime is 101032381. The next prime is 101032423. The reversal of 101032421 is 124230101.

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

It is a cyclic number.

It is not a de Polignac number, because 101032421 - 210 = 101031397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101032396 and 101032405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101032423) 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, 70745 + ... + 72158.

It is an arithmetic number, because the mean of its divisors is an integer number (14576208).

Almost surely, 2101032421 is an apocalyptic number.

It is an amenable number.

101032421 is a deficient number, since it is larger than the sum of its proper divisors (15577243).

101032421 is a wasteful number, since it uses less digits than its factorization.

101032421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143011.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 101032421 is about 10051.4884967352. The cubic root of 101032421 is about 465.7507754513.

Adding to 101032421 its reverse (124230101), we get a palindrome (225262522).

The spelling of 101032421 in words is "one hundred one million, thirty-two thousand, four hundred twenty-one".

Divisors: 1 7 101 707 142903 1000321 14433203 101032421