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109421430 = 2353647381
BaseRepresentation
bin1101000010110…
…10001101110110
321121220011222120
412201122031312
5211002441210
614505140410
72466031626
oct641321566
9247804876
10109421430
1156846a38
123078a706
1319891c11
1410764886
159916270
hex685a376

109421430 has 16 divisors (see below), whose sum is σ = 262611504. Its totient is φ = 29179040.

The previous prime is 109421423. The next prime is 109421441. The reversal of 109421430 is 34124901.

It is a self number, because there is not a number n which added to its sum of digits gives 109421430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1823661 + ... + 1823720.

It is an arithmetic number, because the mean of its divisors is an integer number (16413219).

Almost surely, 2109421430 is an apocalyptic number.

109421430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109421430 is an abundant number, since it is smaller than the sum of its proper divisors (153190074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109421430 is a wasteful number, since it uses less digits than its factorization.

109421430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647391.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 109421430 is about 10460.4698747236. The cubic root of 109421430 is about 478.3004565160.

The spelling of 109421430 in words is "one hundred nine million, four hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3647381 7294762 10942143 18236905 21884286 36473810 54710715 109421430