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129054030 = 2357614543
BaseRepresentation
bin1111011000100…
…11010101001110
322222211121211220
413230103111032
5231014212110
620450024210
73124640550
oct754232516
9288747756
10129054030
1166936226
1237278066
1320977041
14131d54d0
15b4e3370
hex7b1354e

129054030 has 32 divisors (see below), whose sum is σ = 353977344. Its totient is φ = 29498016.

The previous prime is 129054017. The next prime is 129054041. The reversal of 129054030 is 30450921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307062 + ... + 307481.

It is an arithmetic number, because the mean of its divisors is an integer number (11061792).

Almost surely, 2129054030 is an apocalyptic number.

129054030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129054030 is an abundant number, since it is smaller than the sum of its proper divisors (224923314).

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

129054030 is a wasteful number, since it uses less digits than its factorization.

129054030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614560.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 129054030 is about 11360.1949807211. The cubic root of 129054030 is about 505.3479678714.

The spelling of 129054030 in words is "one hundred twenty-nine million, fifty-four thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 614543 1229086 1843629 3072715 3687258 4301801 6145430 8603602 9218145 12905403 18436290 21509005 25810806 43018010 64527015 129054030