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3942468 = 2232971129
BaseRepresentation
bin1111000010100001000100
321102022001100
433002201010
52002124333
6220300100
745340035
oct17024104
97368040
103942468
112253042
1213a1630
13a8062a
14748a8c
1552d213
hex3c2844

3942468 has 36 divisors (see below), whose sum is σ = 10077340. Its totient is φ = 1299456.

The previous prime is 3942467. The next prime is 3942469. The reversal of 3942468 is 8642493.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3942467) and next prime (3942469).

It can be written as a sum of positive squares in 2 ways, for example, as 956484 + 2985984 = 978^2 + 1728^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2928 + ... + 4056.

Almost surely, 23942468 is an apocalyptic number.

It is an amenable number.

3942468 is an abundant number, since it is smaller than the sum of its proper divisors (6134872).

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

3942468 is a wasteful number, since it uses less digits than its factorization.

3942468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1231 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 3942468 is about 1985.5649070227. The cubic root of 3942468 is about 157.9753740395.

The spelling of 3942468 in words is "three million, nine hundred forty-two thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 97 194 291 388 582 873 1129 1164 1746 2258 3387 3492 4516 6774 10161 13548 20322 40644 109513 219026 328539 438052 657078 985617 1314156 1971234 3942468