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54641620 = 22511248371
BaseRepresentation
bin1101000001110…
…0001111010100
310210211002012201
43100130033110
5102442012440
65231054244
71232306005
oct320341724
9123732181
1054641620
1128931070
1216371384
13b422027
1473851ac
154be519a
hex341c3d4

54641620 has 24 divisors (see below), whose sum is σ = 125179488. Its totient is φ = 19869600.

The previous prime is 54641617. The next prime is 54641627. The reversal of 54641620 is 2614645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54641627) 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, 123966 + ... + 124405.

It is an arithmetic number, because the mean of its divisors is an integer number (5215812).

Almost surely, 254641620 is an apocalyptic number.

It is an amenable number.

54641620 is an abundant number, since it is smaller than the sum of its proper divisors (70537868).

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

54641620 is a wasteful number, since it uses less digits than its factorization.

54641620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248391 (or 248389 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 54641620 is about 7391.9970238089. The cubic root of 54641620 is about 379.4674442040.

The spelling of 54641620 in words is "fifty-four million, six hundred forty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 248371 496742 993484 1241855 2483710 2732081 4967420 5464162 10928324 13660405 27320810 54641620