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54720946 = 272737649
BaseRepresentation
bin1101000010111…
…1100110110010
310210222010000201
43100233212302
5103002032241
65232505414
71233056200
oct320574662
9123863021
1054720946
1128985725
12163ab26a
13b44c177
1473a6070
154c0d931
hex342f9b2

54720946 has 24 divisors (see below), whose sum is σ = 96803100. Its totient is φ = 23127552.

The previous prime is 54720923. The next prime is 54720947. The reversal of 54720946 is 64902745.

It can be written as a sum of positive squares in 2 ways, for example, as 51279921 + 3441025 = 7161^2 + 1855^2 .

It is a super-2 number, since 2×547209462 = 5988763862269832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54720947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3330 + ... + 10978.

Almost surely, 254720946 is an apocalyptic number.

54720946 is a deficient number, since it is larger than the sum of its proper divisors (42082154).

54720946 is a wasteful number, since it uses less digits than its factorization.

54720946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738 (or 7731 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 54720946 is about 7397.3607455632. The cubic root of 54720946 is about 379.6509860995.

The spelling of 54720946 in words is "fifty-four million, seven hundred twenty thousand, nine hundred forty-six".

Divisors: 1 2 7 14 49 73 98 146 511 1022 3577 7154 7649 15298 53543 107086 374801 558377 749602 1116754 3908639 7817278 27360473 54720946