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34953990 = 2352940177
BaseRepresentation
bin1000010101010…
…1101100000110
32102202211212020
42011111230012
532422011430
63245104010
7603050451
oct205255406
972684766
1034953990
11188044a5
12b858006
13731ab46
1448dc498
153106b10
hex2155b06

34953990 has 32 divisors (see below), whose sum is σ = 86784480. Its totient is φ = 8999424.

The previous prime is 34953983. The next prime is 34953991. The reversal of 34953990 is 9935943.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34953991) 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 15 ways as a sum of consecutive naturals, for example, 19219 + ... + 20958.

It is an arithmetic number, because the mean of its divisors is an integer number (2712015).

Almost surely, 234953990 is an apocalyptic number.

34953990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34953990 is an abundant number, since it is smaller than the sum of its proper divisors (51830490).

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

34953990 is a wasteful number, since it uses less digits than its factorization.

34953990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40216.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 34953990 is about 5912.1899495872. The cubic root of 34953990 is about 326.9632331545.

The spelling of 34953990 in words is "thirty-four million, nine hundred fifty-three thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 40177 80354 120531 200885 241062 401770 602655 1165133 1205310 2330266 3495399 5825665 6990798 11651330 17476995 34953990