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3407397220 = 225170369861
BaseRepresentation
bin1100101100011000…
…1100000101100100
322210110121201021001
43023012030011210
523434243202340
61322040203044
7150303253453
oct31306140544
98713551231
103407397220
111499428a67
127b1169484
13423c15a96
14244774b9a
1514e21929a
hexcb18c164

3407397220 has 12 divisors (see below), whose sum is σ = 7155534204. Its totient is φ = 1362958880.

The previous prime is 3407397199. The next prime is 3407397223. The reversal of 3407397220 is 227937043.

It can be written as a sum of positive squares in 2 ways, for example, as 348643584 + 3058753636 = 18672^2 + 55306^2 .

It is a super-2 number, since 2×34073972202 = 23220711629727456800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3407397220.

It is not an unprimeable number, because it can be changed into a prime (3407397223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85184911 + ... + 85184950.

It is an arithmetic number, because the mean of its divisors is an integer number (596294517).

Almost surely, 23407397220 is an apocalyptic number.

It is an amenable number.

3407397220 is an abundant number, since it is smaller than the sum of its proper divisors (3748136984).

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

3407397220 is a wasteful number, since it uses less digits than its factorization.

3407397220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170369870 (or 170369868 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 3407397220 is about 58372.9151233686. The cubic root of 3407397220 is about 1504.7843121624.

The spelling of 3407397220 in words is "three billion, four hundred seven million, three hundred ninety-seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 170369861 340739722 681479444 851849305 1703698610 3407397220