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130222040 = 235131714731
BaseRepresentation
bin1111100001100…
…00011111011000
3100002000222001112
413300300133120
5231314101130
620531035452
73140604044
oct760603730
9302028045
10130222040
1167563823
123773bb88
1320c95880
141341b024
15b674495
hex7c307d8

130222040 has 64 divisors (see below), whose sum is σ = 334121760. Its totient is φ = 45250560.

The previous prime is 130222039. The next prime is 130222049. The reversal of 130222040 is 40222031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130222049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475 + ... + 16205.

Almost surely, 2130222040 is an apocalyptic number.

130222040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130222040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167060880).

130222040 is an abundant number, since it is smaller than the sum of its proper divisors (203899720).

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

130222040 is a wasteful number, since it uses less digits than its factorization.

130222040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14772 (or 14768 counting only the distinct ones).

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

The square root of 130222040 is about 11411.4871949277. The cubic root of 130222040 is about 506.8679505730.

Adding to 130222040 its reverse (40222031), we get a palindrome (170444071).

Subtracting from 130222040 its reverse (40222031), we obtain a palindrome (90000009).

The spelling of 130222040 in words is "one hundred thirty million, two hundred twenty-two thousand, forty".

Divisors: 1 2 4 5 8 10 13 17 20 26 34 40 52 65 68 85 104 130 136 170 221 260 340 442 520 680 884 1105 1768 2210 4420 8840 14731 29462 58924 73655 117848 147310 191503 250427 294620 383006 500854 589240 766012 957515 1001708 1252135 1532024 1915030 2003416 2504270 3255551 3830060 5008540 6511102 7660120 10017080 13022204 16277755 26044408 32555510 65111020 130222040