Search a number
-
+
69896920 = 2358572039
BaseRepresentation
bin1000010101010…
…00101011011000
311212112010112211
410022220223120
5120343200140
610534044504
71506054052
oct412505330
9155463484
1069896920
1136500655
121b4a9734
1311633932
1493d68d2
15620a2ea
hex42a8ad8

69896920 has 32 divisors (see below), whose sum is σ = 157528800. Its totient is φ = 27912448.

The previous prime is 69896903. The next prime is 69896927. The reversal of 69896920 is 2969896.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69896927) by changing a digit.

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, 33261 + ... + 35299.

It is an arithmetic number, because the mean of its divisors is an integer number (4922775).

Almost surely, 269896920 is an apocalyptic number.

It is an amenable number.

69896920 is an abundant number, since it is smaller than the sum of its proper divisors (87631880).

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

69896920 is a wasteful number, since it uses less digits than its factorization.

69896920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907 (or 2903 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 69896920 is about 8360.4377875803. The cubic root of 69896920 is about 411.9261343683.

The spelling of 69896920 in words is "sixty-nine million, eight hundred ninety-six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 857 1714 2039 3428 4078 4285 6856 8156 8570 10195 16312 17140 20390 34280 40780 81560 1747423 3494846 6989692 8737115 13979384 17474230 34948460 69896920