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7940412 = 2232367601
BaseRepresentation
bin11110010010100100111100
3112221102012100
4132102210330
54013043122
6442105100
7124330614
oct36224474
915842170
107940412
114533827
1227ab190
13185028c
1410a9a44
15a6caac
hex79293c

7940412 has 36 divisors (see below), whose sum is σ = 20159776. Its totient is φ = 2635200.

The previous prime is 7940399. The next prime is 7940417. The reversal of 7940412 is 2140497.

It is a happy number.

7940412 is digitally balanced in base 4 and base 5, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940417) 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, 12912 + ... + 13512.

Almost surely, 27940412 is an apocalyptic number.

It is an amenable number.

7940412 is an abundant number, since it is smaller than the sum of its proper divisors (12219364).

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

7940412 is a wasteful number, since it uses less digits than its factorization.

7940412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 7940412 is about 2817.8736664372. The cubic root of 7940412 is about 199.5021953138.

The spelling of 7940412 in words is "seven million, nine hundred forty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 367 601 734 1101 1202 1468 1803 2202 2404 3303 3606 4404 5409 6606 7212 10818 13212 21636 220567 441134 661701 882268 1323402 1985103 2646804 3970206 7940412