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3158140 = 225157907
BaseRepresentation
bin1100000011000001111100
312221110011011
430003001330
51302030030
6151405004
735562256
oct14030174
95843134
103158140
111867837
121083764
1386762b
145c2cd6
15425b2a
hex30307c

3158140 has 12 divisors (see below), whose sum is σ = 6632136. Its totient is φ = 1263248.

The previous prime is 3158131. The next prime is 3158143. The reversal of 3158140 is 418513.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78934 + ... + 78973.

It is an arithmetic number, because the mean of its divisors is an integer number (552678).

Almost surely, 23158140 is an apocalyptic number.

It is an amenable number.

3158140 is an abundant number, since it is smaller than the sum of its proper divisors (3473996).

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

3158140 is a wasteful number, since it uses less digits than its factorization.

3158140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157916 (or 157914 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 3158140 is about 1777.1156405817. The cubic root of 3158140 is about 146.7158810966.

The spelling of 3158140 in words is "three million, one hundred fifty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 157907 315814 631628 789535 1579070 3158140