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6320554140 = 2235105342569
BaseRepresentation
bin1011110001011110…
…00000000010011100
3121022111020102021210
411320233000002130
5100421030213030
62523103224420
7312425552355
oct57057000234
917274212253
106320554140
11275387396a
1212848a8110
13799612284
1443d612d2c
1526ed56bb0
hex178bc009c

6320554140 has 24 divisors (see below), whose sum is σ = 17697551760. Its totient is φ = 1685481088.

The previous prime is 6320554111. The next prime is 6320554153. The reversal of 6320554140 is 414550236.

It is a super-2 number, since 2×63205541402 = 79898809273342279200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6320554098 and 6320554107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52671225 + ... + 52671344.

It is an arithmetic number, because the mean of its divisors is an integer number (737397990).

Almost surely, 26320554140 is an apocalyptic number.

6320554140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6320554140 is an abundant number, since it is smaller than the sum of its proper divisors (11376997620).

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

6320554140 is a wasteful number, since it uses less digits than its factorization.

6320554140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105342581 (or 105342579 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 6320554140 is about 79501.9128071772. The cubic root of 6320554140 is about 1848.9211279523.

The spelling of 6320554140 in words is "six billion, three hundred twenty million, five hundred fifty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 105342569 210685138 316027707 421370276 526712845 632055414 1053425690 1264110828 1580138535 2106851380 3160277070 6320554140