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3435920 = 245291481
BaseRepresentation
bin1101000110110110010000
320110120012022
431012312100
51334422140
6201351012
741130155
oct15066620
96416168
103435920
111a37504
121198468
13933bb7
1465622c
1547d0b5
hex346d90

3435920 has 40 divisors (see below), whose sum is σ = 8269560. Its totient is φ = 1326080.

The previous prime is 3435911. The next prime is 3435959. The reversal of 3435920 is 295343.

It can be written as a sum of positive squares in 4 ways, for example, as 295936 + 3139984 = 544^2 + 1772^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 3435920.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580 + ... + 3060.

It is an arithmetic number, because the mean of its divisors is an integer number (206739).

Almost surely, 23435920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3435920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4134780).

3435920 is an abundant number, since it is smaller than the sum of its proper divisors (4833640).

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

3435920 is a wasteful number, since it uses less digits than its factorization.

3435920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3435920 is about 1853.6234784875. The cubic root of 3435920 is about 150.8971420619.

The spelling of 3435920 in words is "three million, four hundred thirty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 1481 2320 2962 5924 7405 11848 14810 23696 29620 42949 59240 85898 118480 171796 214745 343592 429490 687184 858980 1717960 3435920