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54869806 = 243837687
BaseRepresentation
bin1101000101001…
…1111100101110
310211020200020001
43101103330232
5103021313211
65240014514
71234246165
oct321237456
9124220201
1054869806
1128a77552
121646143a
13b4a1b54
1474043dc
154c3cac1
hex3453f2e

54869806 has 16 divisors (see below), whose sum is σ = 85244544. Its totient is φ = 26470584.

The previous prime is 54869797. The next prime is 54869809. The reversal of 54869806 is 60896845.

It is a super-2 number, since 2×548698062 = 6021391220955272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54869809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3295 + ... + 10981.

It is an arithmetic number, because the mean of its divisors is an integer number (5327784).

Almost surely, 254869806 is an apocalyptic number.

54869806 is a deficient number, since it is larger than the sum of its proper divisors (30374738).

54869806 is a wasteful number, since it uses less digits than its factorization.

54869806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7815.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 54869806 is about 7407.4156086992. The cubic root of 54869806 is about 379.9949352972.

The spelling of 54869806 in words is "fifty-four million, eight hundred sixty-nine thousand, eight hundred six".

Divisors: 1 2 43 83 86 166 3569 7138 7687 15374 330541 638021 661082 1276042 27434903 54869806