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109419954 = 2372605237
BaseRepresentation
bin1101000010110…
…01110110110010
321121220002221220
412201121312302
5211002414304
614505125510
72466024420
oct641316662
9247802856
10109419954
1156845916
1230789896
1319891347
1410764110
159915ad9
hex6859db2

109419954 has 16 divisors (see below), whose sum is σ = 250102848. Its totient is φ = 31262832.

The previous prime is 109419943. The next prime is 109419983. The reversal of 109419954 is 459914901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2605237 = 109419954 / (1 + 0 + 9 + 4 + 1 + 9 + 9 + 5 + 4).

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, 1302577 + ... + 1302660.

It is an arithmetic number, because the mean of its divisors is an integer number (15631428).

Almost surely, 2109419954 is an apocalyptic number.

109419954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

109419954 is an abundant number, since it is smaller than the sum of its proper divisors (140682894).

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

109419954 is a wasteful number, since it uses less digits than its factorization.

109419954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605249.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 109419954 is about 10460.3993231616. The cubic root of 109419954 is about 478.2983058871.

The spelling of 109419954 in words is "one hundred nine million, four hundred nineteen thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 2605237 5210474 7815711 15631422 18236659 36473318 54709977 109419954