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54129030 = 2352816421
BaseRepresentation
bin1100111001111…
…1000110000110
310202212001001220
43032133012012
5102324112110
65212101210
71225042404
oct316370606
9122761056
1054129030
1128610a3a
1216164806
13b2a2917
147290474
154b43370
hex339f186

54129030 has 32 divisors (see below), whose sum is σ = 130392288. Its totient is φ = 14380800.

The previous prime is 54129029. The next prime is 54129041. The reversal of 54129030 is 3092145.

It is an alternating number because its digits alternate between odd and even.

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, 5220 + ... + 11640.

It is an arithmetic number, because the mean of its divisors is an integer number (4074759).

Almost surely, 254129030 is an apocalyptic number.

54129030 is an abundant number, since it is smaller than the sum of its proper divisors (76263258).

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

54129030 is a wasteful number, since it uses less digits than its factorization.

54129030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712.

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

The square root of 54129030 is about 7357.2433696324. The cubic root of 54129030 is about 378.2771266399.

It can be divided in two parts, 541290 and 30, that added together give a triangular number (541320 = T1040).

The spelling of 54129030 in words is "fifty-four million, one hundred twenty-nine thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 281 562 843 1405 1686 2810 4215 6421 8430 12842 19263 32105 38526 64210 96315 192630 1804301 3608602 5412903 9021505 10825806 18043010 27064515 54129030