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100745429 = 195302391
BaseRepresentation
bin1100000000101…
…00000011010101
321000120101202012
412000110003111
5201242323204
613555154005
72332215311
oct600240325
9230511665
10100745429
1151960594
12298a5905
1317b44ba5
14d546b41
158ca076e
hex60140d5

100745429 has 4 divisors (see below), whose sum is σ = 106047840. Its totient is φ = 95443020.

The previous prime is 100745423. The next prime is 100745459. The reversal of 100745429 is 924547001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100745429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100745395 and 100745404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100745423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2651177 + ... + 2651214.

It is an arithmetic number, because the mean of its divisors is an integer number (26511960).

Almost surely, 2100745429 is an apocalyptic number.

100745429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

100745429 is a deficient number, since it is larger than the sum of its proper divisors (5302411).

100745429 is an equidigital number, since it uses as much as digits as its factorization.

100745429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302410.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 100745429 is about 10037.2022496311. The cubic root of 100745429 is about 465.3093544050.

The spelling of 100745429 in words is "one hundred million, seven hundred forty-five thousand, four hundred twenty-nine".

Divisors: 1 19 5302391 100745429