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40412130 = 23511151811
BaseRepresentation
bin1001101000101…
…0001111100010
32211001011000120
42122022033202
540321142010
64002101110
71000332423
oct232121742
984034016
1040412130
11208a2260
121164a796
1384ac305
14551d64a
153833e70
hex268a3e2

40412130 has 64 divisors (see below), whose sum is σ = 106638336. Its totient is φ = 9720000.

The previous prime is 40412093. The next prime is 40412137. The reversal of 40412130 is 3121404.

It is a super-2 number, since 2×404121302 = 3266280502273800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (40412137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49425 + ... + 50235.

It is an arithmetic number, because the mean of its divisors is an integer number (1666224).

Almost surely, 240412130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40412130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53319168).

40412130 is an abundant number, since it is smaller than the sum of its proper divisors (66226206).

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

40412130 is a wasteful number, since it uses less digits than its factorization.

40412130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40412130 is about 6357.0535627758. The cubic root of 40412130 is about 343.1657323385.

Adding to 40412130 its reverse (3121404), we get a palindrome (43533534).

The spelling of 40412130 in words is "forty million, four hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 151 165 302 330 453 755 811 906 1510 1622 1661 2265 2433 3322 4055 4530 4866 4983 8110 8305 8921 9966 12165 16610 17842 24330 24915 26763 44605 49830 53526 89210 122461 133815 244922 267630 367383 612305 734766 1224610 1347071 1836915 2694142 3673830 4041213 6735355 8082426 13470710 20206065 40412130