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100428827 = 2919717579
BaseRepresentation
bin1011111110001…
…10110000011011
320222222022110012
411333012300123
5201202210302
613544312135
72326426262
oct577066033
9228868405
10100428827
1151764734
122977264b
1317a63a55
14d4a35d9
158c3ba52
hex5fc6c1b

100428827 has 8 divisors (see below), whose sum is σ = 104425200. Its totient is φ = 96468064.

The previous prime is 100428791. The next prime is 100428847. The reversal of 100428827 is 728824001.

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 100428827 - 26 = 100428763 is a prime.

It is a super-3 number, since 3×1004288273 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100428793 and 100428802.

It is not an unprimeable number, because it can be changed into a prime (100428847) 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, 3077 + ... + 14502.

It is an arithmetic number, because the mean of its divisors is an integer number (13053150).

Almost surely, 2100428827 is an apocalyptic number.

100428827 is a deficient number, since it is larger than the sum of its proper divisors (3996373).

100428827 is a wasteful number, since it uses less digits than its factorization.

100428827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17805.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 100428827 is about 10021.4184125801. The cubic root of 100428827 is about 464.8214167594.

The spelling of 100428827 in words is "one hundred million, four hundred twenty-eight thousand, eight hundred twenty-seven".

Divisors: 1 29 197 5713 17579 509791 3463063 100428827