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69550940 = 2259735851
BaseRepresentation
bin1000010010101…
…00001101011100
311211212112221202
410021110031130
5120301112230
610522415032
71503113264
oct411241534
9154775852
1069550940
1136294718
121b361478
1311542304
1493467a4
15618ca45
hex425435c

69550940 has 24 divisors (see below), whose sum is σ = 147566832. Its totient is φ = 27532800.

The previous prime is 69550933. The next prime is 69550967. The reversal of 69550940 is 4905596.

It is a junction number, because it is equal to n+sod(n) for n = 69550894 and 69550903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15986 + ... + 19865.

It is an arithmetic number, because the mean of its divisors is an integer number (6148618).

Almost surely, 269550940 is an apocalyptic number.

It is an amenable number.

69550940 is an abundant number, since it is smaller than the sum of its proper divisors (78015892).

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

69550940 is a wasteful number, since it uses less digits than its factorization.

69550940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35957 (or 35955 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 69550940 is about 8339.7206188217. The cubic root of 69550940 is about 411.2453509081.

The spelling of 69550940 in words is "sixty-nine million, five hundred fifty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 35851 71702 143404 179255 358510 717020 3477547 6955094 13910188 17387735 34775470 69550940