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54930642 = 23131674217
BaseRepresentation
bin1101000110001…
…0110011010010
310211100202200020
43101202303102
5103030240032
65241204310
71234621434
oct321426322
9124322606
1054930642
1129009228
1216490696
13b4c3750
14741c654
154c50b2c
hex3462cd2

54930642 has 32 divisors (see below), whose sum is σ = 119048832. Its totient is φ = 16796544.

The previous prime is 54930637. The next prime is 54930643. The reversal of 54930642 is 24603945.

It is not an unprimeable number, because it can be changed into a prime (54930643) 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, 10918 + ... + 15134.

It is an arithmetic number, because the mean of its divisors is an integer number (3720276).

Almost surely, 254930642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54930642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59524416).

54930642 is an abundant number, since it is smaller than the sum of its proper divisors (64118190).

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

54930642 is a wasteful number, since it uses less digits than its factorization.

54930642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 54930642 is about 7411.5208965502. The cubic root of 54930642 is about 380.1353211497.

The spelling of 54930642 in words is "fifty-four million, nine hundred thirty thousand, six hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 167 334 501 1002 2171 4217 4342 6513 8434 12651 13026 25302 54821 109642 164463 328926 704239 1408478 2112717 4225434 9155107 18310214 27465321 54930642