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54929830 = 2531374789
BaseRepresentation
bin1101000110001…
…0100110100110
310211100201120011
43101202212212
5103030223310
65241200434
71234616164
oct321424646
9124321504
1054929830
112900865a
121649011a
13b4c3277
14741c234
154c5078a
hex34629a6

54929830 has 32 divisors (see below), whose sum is σ = 104843520. Its totient is φ = 20684160.

The previous prime is 54929801. The next prime is 54929837. The reversal of 54929830 is 3892945.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54929837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9076 + ... + 13864.

It is an arithmetic number, because the mean of its divisors is an integer number (3276360).

Almost surely, 254929830 is an apocalyptic number.

54929830 is a deficient number, since it is larger than the sum of its proper divisors (49913690).

54929830 is a wasteful number, since it uses less digits than its factorization.

54929830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4864.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 54929830 is about 7411.4661167680. The cubic root of 54929830 is about 380.1334480519.

The spelling of 54929830 in words is "fifty-four million, nine hundred twenty-nine thousand, eight hundred thirty".

Divisors: 1 2 5 10 31 37 62 74 155 185 310 370 1147 2294 4789 5735 9578 11470 23945 47890 148459 177193 296918 354386 742295 885965 1484590 1771930 5492983 10985966 27464915 54929830