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349148620 = 22541425791
BaseRepresentation
bin10100110011111…
…001010111001100
3220022222120212101
4110303321113030
51203340223440
654351244444
711436500002
oct2463712714
9808876771
10349148620
1116a0a3587
1298b19724
1357448822
1434528a72
15209bb69a
hex14cf95cc

349148620 has 24 divisors (see below), whose sum is σ = 751097088. Its totient is φ = 136252800.

The previous prime is 349148587. The next prime is 349148621. The reversal of 349148620 is 26841943.

It is a self number, because there is not a number n which added to its sum of digits gives 349148620.

It is not an unprimeable number, because it can be changed into a prime (349148621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212076 + ... + 213715.

It is an arithmetic number, because the mean of its divisors is an integer number (31295712).

Almost surely, 2349148620 is an apocalyptic number.

It is an amenable number.

349148620 is an abundant number, since it is smaller than the sum of its proper divisors (401948468).

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

349148620 is a wasteful number, since it uses less digits than its factorization.

349148620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425841 (or 425839 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 349148620 is about 18685.5189919895. The cubic root of 349148620 is about 704.1579874207.

It can be divided in two parts, 34914 and 8620, that added together give a palindrome (43534).

The spelling of 349148620 in words is "three hundred forty-nine million, one hundred forty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 425791 851582 1703164 2128955 4257910 8515820 17457431 34914862 69829724 87287155 174574310 349148620