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109141429 = 241452869
BaseRepresentation
bin1101000000101…
…01110110110101
321121100221220011
412200111312311
5210420011204
614455140221
72463454405
oct640256665
9247327804
10109141429
1156675631
1230674671
13197c4637
14106d0805
1598ad304
hex6815db5

109141429 has 4 divisors (see below), whose sum is σ = 109594540. Its totient is φ = 108688320.

The previous prime is 109141369. The next prime is 109141433. The reversal of 109141429 is 924141901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924141901 = 8271117463.

It can be written as a sum of positive squares in 2 ways, for example, as 96000804 + 13140625 = 9798^2 + 3625^2 .

It is a cyclic number.

It is not a de Polignac number, because 109141429 - 215 = 109108661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109141429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109141489) 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, 226194 + ... + 226675.

It is an arithmetic number, because the mean of its divisors is an integer number (27398635).

Almost surely, 2109141429 is an apocalyptic number.

It is an amenable number.

109141429 is a deficient number, since it is larger than the sum of its proper divisors (453111).

109141429 is an equidigital number, since it uses as much as digits as its factorization.

109141429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453110.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 109141429 is about 10447.0775339326. The cubic root of 109141429 is about 477.8921300329.

The spelling of 109141429 in words is "one hundred nine million, one hundred forty-one thousand, four hundred twenty-nine".

Divisors: 1 241 452869 109141429