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54721430 = 255472143
BaseRepresentation
bin1101000010111…
…1101110010110
310210222010200122
43100233232112
5103002041210
65232511542
71233060461
oct320575626
9123863618
1054721430
1128986025
12163ab5b2
13b44c45a
1473a62d8
154c0db55
hex342fb96

54721430 has 8 divisors (see below), whose sum is σ = 98498592. Its totient is φ = 21888568.

The previous prime is 54721427. The next prime is 54721441. The reversal of 54721430 is 3412745.

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is a self number, because there is not a number n which added to its sum of digits gives 54721430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2736062 + ... + 2736081.

It is an arithmetic number, because the mean of its divisors is an integer number (12312324).

Almost surely, 254721430 is an apocalyptic number.

54721430 is a deficient number, since it is larger than the sum of its proper divisors (43777162).

54721430 is a wasteful number, since it uses less digits than its factorization.

54721430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472150.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 54721430 is about 7397.3934598614. The cubic root of 54721430 is about 379.6521054182.

The spelling of 54721430 in words is "fifty-four million, seven hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 5472143 10944286 27360715 54721430