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54920196 = 22321525561
BaseRepresentation
bin1101000110000…
…0010000000100
310211100020100100
43101200100010
5103024421241
65241044100
71234546122
oct321402004
9124306310
1054920196
11290013a1
1216486630
13b4bba76
147418912
154c4c9b6
hex3460404

54920196 has 18 divisors (see below), whose sum is σ = 138826142. Its totient is φ = 18306720.

The previous prime is 54920167. The next prime is 54920221. The reversal of 54920196 is 69102945.

54920196 is a `hidden beast` number, since 549 + 20 + 1 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48108096 + 6812100 = 6936^2 + 2610^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1525561 = 54920196 / (5 + 4 + 9 + 2 + 0 + 1 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 54920196.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 762745 + ... + 762816.

Almost surely, 254920196 is an apocalyptic number.

It is an amenable number.

54920196 is an abundant number, since it is smaller than the sum of its proper divisors (83905946).

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

54920196 is a wasteful number, since it uses less digits than its factorization.

54920196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525571 (or 1525566 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 54920196 is about 7410.8161493860. The cubic root of 54920196 is about 380.1112232136. Note that the first 3 decimals are identical.

The spelling of 54920196 in words is "fifty-four million, nine hundred twenty thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 1525561 3051122 4576683 6102244 9153366 13730049 18306732 27460098 54920196