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3353805 = 34572132
BaseRepresentation
bin1100110010110011001101
320022101120000
430302303031
51324310210
6155514513
740335600
oct14626315
96271500
103353805
111990844
121158a39
13905700
14634337
15463ac0
hex332ccd

3353805 has 90 divisors (see below), whose sum is σ = 7572906. Its totient is φ = 1415232.

The previous prime is 3353803. The next prime is 3353807. The reversal of 3353805 is 5083533.

It is an interprime number because it is at equal distance from previous prime (3353803) and next prime (3353807).

It can be written as a sum of positive squares in 3 ways, for example, as 15876 + 3337929 = 126^2 + 1827^2 .

It is not a de Polignac number, because 3353805 - 21 = 3353803 is a prime.

It is a super-2 number, since 2×33538052 = 22496015956050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3353803) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 257979 + ... + 257991.

Almost surely, 23353805 is an apocalyptic number.

3353805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3353805 is an abundant number, since it is smaller than the sum of its proper divisors (4219101).

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

3353805 is a wasteful number, since it uses less digits than its factorization.

3353805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3353805 is about 1831.3396735723. The cubic root of 3353805 is about 149.6853403904.

The spelling of 3353805 in words is "three million, three hundred fifty-three thousand, eight hundred five".

Divisors: 1 3 5 7 9 13 15 21 27 35 39 45 49 63 65 81 91 105 117 135 147 169 189 195 245 273 315 351 405 441 455 507 567 585 637 735 819 845 945 1053 1183 1323 1365 1521 1755 1911 2205 2457 2535 2835 3185 3549 3969 4095 4563 5265 5733 5915 6615 7371 7605 8281 9555 10647 12285 13689 17199 17745 19845 22815 24843 28665 31941 36855 41405 51597 53235 68445 74529 85995 95823 124215 159705 223587 257985 372645 479115 670761 1117935 3353805