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3142040 = 2351137193
BaseRepresentation
bin1011111111000110011000
312220122001212
423333012120
51301021130
6151202252
735464316
oct13770630
95818055
103142040
111856730
121076388
138601c5
145bb0b6
15420e95
hex2ff198

3142040 has 64 divisors (see below), whose sum is σ = 7961760. Its totient is φ = 1105920.

The previous prime is 3142021. The next prime is 3142043. The reversal of 3142040 is 402413.

Added to its reverse (402413) it gives a triangular number (3544453 = T2662).

3142040 = T94 + T95 + ... + T269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142043) 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 15 ways as a sum of consecutive naturals, for example, 16184 + ... + 16376.

Almost surely, 23142040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3142040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3980880).

3142040 is an abundant number, since it is smaller than the sum of its proper divisors (4819720).

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

3142040 is a wasteful number, since it uses less digits than its factorization.

3142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3142040 is about 1772.5800405059. The cubic root of 3142040 is about 146.4661401011.

Adding to 3142040 its reverse (402413), we get a palindrome (3544453).

The spelling of 3142040 in words is "three million, one hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 11 20 22 37 40 44 55 74 88 110 148 185 193 220 296 370 386 407 440 740 772 814 965 1480 1544 1628 1930 2035 2123 3256 3860 4070 4246 7141 7720 8140 8492 10615 14282 16280 16984 21230 28564 35705 42460 57128 71410 78551 84920 142820 157102 285640 314204 392755 628408 785510 1571020 3142040