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54220461 = 3155911593
BaseRepresentation
bin1100111011010…
…1011010101101
310210000200111020
43032311122231
5102340023321
65214044353
71225603101
oct316653255
9123020436
1054220461
11286736a9
12161a96b9
13b305419
1472b5901
154b604c6
hex33b56ad

54220461 has 8 divisors (see below), whose sum is σ = 72346560. Its totient is φ = 36120672.

The previous prime is 54220427. The next prime is 54220477. The reversal of 54220461 is 16402245.

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

It is not a de Polignac number, because 54220461 - 210 = 54219437 is a prime.

It is a super-4 number, since 4×542204614 (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54220261) 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, 1120 + ... + 10473.

It is an arithmetic number, because the mean of its divisors is an integer number (9043320).

Almost surely, 254220461 is an apocalyptic number.

It is an amenable number.

54220461 is a deficient number, since it is larger than the sum of its proper divisors (18126099).

54220461 is a wasteful number, since it uses less digits than its factorization.

54220461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13155.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 54220461 is about 7363.4544203112. The cubic root of 54220461 is about 378.4899933195.

The spelling of 54220461 in words is "fifty-four million, two hundred twenty thousand, four hundred sixty-one".

Divisors: 1 3 1559 4677 11593 34779 18073487 54220461