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34919980 = 2252375913
BaseRepresentation
bin1000010100110…
…1011000101100
32102201010012121
42011031120230
532414414410
63244242324
7602546344
oct205153054
972633177
1034919980
1118790997
12b8403a4
137308514
1448cdd24
1530eb9da
hex214d62c

34919980 has 24 divisors (see below), whose sum is σ = 76521312. Its totient is φ = 13360512.

The previous prime is 34919953. The next prime is 34919993. The reversal of 34919980 is 8991943.

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, 37497 + ... + 38416.

It is an arithmetic number, because the mean of its divisors is an integer number (3188388).

Almost surely, 234919980 is an apocalyptic number.

It is an amenable number.

34919980 is an abundant number, since it is smaller than the sum of its proper divisors (41601332).

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

34919980 is a wasteful number, since it uses less digits than its factorization.

34919980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75945 (or 75943 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 34919980 is about 5909.3129888338. The cubic root of 34919980 is about 326.8571543914.

The spelling of 34919980 in words is "thirty-four million, nine hundred nineteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 75913 151826 303652 379565 759130 1518260 1745999 3491998 6983996 8729995 17459990 34919980