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69982864 = 247624847
BaseRepresentation
bin1000010101111…
…01101010010000
311212200111102221
410022331222100
5120403422424
610535550424
71506562450
oct412755220
9155614387
1069982864
113655a186
121b52b414
1311663aa3
149419d60
1562259e4
hex42bda90

69982864 has 20 divisors (see below), whose sum is σ = 154962304. Its totient is φ = 29992608.

The previous prime is 69982849. The next prime is 69982879. The reversal of 69982864 is 46828996.

It is an interprime number because it is at equal distance from previous prime (69982849) and next prime (69982879).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312312 + ... + 312535.

Almost surely, 269982864 is an apocalyptic number.

It is an amenable number.

69982864 is an abundant number, since it is smaller than the sum of its proper divisors (84979440).

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

69982864 is a wasteful number, since it uses less digits than its factorization.

69982864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624862 (or 624856 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 69982864 is about 8365.5761307874. The cubic root of 69982864 is about 412.0948975483.

The spelling of 69982864 in words is "sixty-nine million, nine hundred eighty-two thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 624847 1249694 2499388 4373929 4998776 8747858 9997552 17495716 34991432 69982864