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451880828 = 22716138601
BaseRepresentation
bin11010111011110…
…010011101111100
31011111021220221222
4122323302131330
51411140141303
6112501212512
714124631550
oct3273623574
91144256858
10451880828
11212090833
12107401138
1372807b09
144402b860
1529a10938
hex1aef277c

451880828 has 12 divisors (see below), whose sum is σ = 903761712. Its totient is φ = 193663200.

The previous prime is 451880789. The next prime is 451880833. The reversal of 451880828 is 828088154.

It is a happy number.

451880828 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8069273 + ... + 8069328.

It is an arithmetic number, because the mean of its divisors is an integer number (75313476).

Almost surely, 2451880828 is an apocalyptic number.

It is an amenable number.

451880828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

451880828 is a wasteful number, since it uses less digits than its factorization.

451880828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16138612 (or 16138610 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 44.

The square root of 451880828 is about 21257.4887510261. The cubic root of 451880828 is about 767.3755752560.

The spelling of 451880828 in words is "four hundred fifty-one million, eight hundred eighty thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 28 16138601 32277202 64554404 112970207 225940414 451880828