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45802128 = 2433130781
BaseRepresentation
bin1010111010111…
…0001010010000
310012011222201010
42232232022100
543211132003
64313410520
71064211621
oct256561220
9105158633
1045802128
11239438a9
1213409a40
139648768
146123a48
15404b003
hex2bae290

45802128 has 40 divisors (see below), whose sum is σ = 122142976. Its totient is φ = 14774400.

The previous prime is 45802121. The next prime is 45802129. The reversal of 45802128 is 82120854.

It is a junction number, because it is equal to n+sod(n) for n = 45802095 and 45802104.

It is not an unprimeable number, because it can be changed into a prime (45802121) 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, 13903 + ... + 16878.

Almost surely, 245802128 is an apocalyptic number.

45802128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45802128 is an abundant number, since it is smaller than the sum of its proper divisors (76340848).

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

45802128 is a wasteful number, since it uses less digits than its factorization.

45802128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30823 (or 30817 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 45802128 is about 6767.7269448464. The cubic root of 45802128 is about 357.7902915464.

The spelling of 45802128 in words is "forty-five million, eight hundred two thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 1488 30781 61562 92343 123124 184686 246248 369372 492496 738744 954211 1477488 1908422 2862633 3816844 5725266 7633688 11450532 15267376 22901064 45802128