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54621700 = 2252778031
BaseRepresentation
bin1101000001011…
…1011000000100
310210210001212221
43100113120010
5102440343300
65230422124
71232163640
oct320273004
9123701787
1054621700
1128918101
1216361944
13b415c43
14737bc20
154bde31a
hex3417604

54621700 has 36 divisors (see below), whose sum is σ = 135463552. Its totient is φ = 18727200.

The previous prime is 54621667. The next prime is 54621701. The reversal of 54621700 is 712645.

It is a super-2 number, since 2×546217002 = 5967060221780000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (54621701) 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, 38316 + ... + 39715.

Almost surely, 254621700 is an apocalyptic number.

54621700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54621700 is an abundant number, since it is smaller than the sum of its proper divisors (80841852).

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

54621700 is a wasteful number, since it uses less digits than its factorization.

54621700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78052 (or 78045 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 54621700 is about 7390.6494978452. The cubic root of 54621700 is about 379.4213260604.

The spelling of 54621700 in words is "fifty-four million, six hundred twenty-one thousand, seven hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 78031 156062 312124 390155 546217 780310 1092434 1560620 1950775 2184868 2731085 3901550 5462170 7803100 10924340 13655425 27310850 54621700