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130032222 = 2352141597
BaseRepresentation
bin1111100000000…
…10001001011110
3100001200022200020
413300002021132
5231242012342
620523013010
73136153455
oct760021136
9301608606
10130032222
1167444151
123766a166
1320c2a358
14133abb9c
15b6380ec
hex7c0225e

130032222 has 16 divisors (see below), whose sum is σ = 260569872. Its totient is φ = 43259840.

The previous prime is 130032211. The next prime is 130032233. The reversal of 130032222 is 222230031.

It is an interprime number because it is at equal distance from previous prime (130032211) and next prime (130032233).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17673 + ... + 23924.

It is an arithmetic number, because the mean of its divisors is an integer number (16285617).

Almost surely, 2130032222 is an apocalyptic number.

130032222 is an abundant number, since it is smaller than the sum of its proper divisors (130537650).

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

130032222 is a wasteful number, since it uses less digits than its factorization.

130032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42123.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 130032222 is about 11403.1671916183. The cubic root of 130032222 is about 506.6215523273.

Adding to 130032222 its reverse (222230031), we get a palindrome (352262253).

It can be divided in two parts, 13003 and 2222, that added together give a triangular number (15225 = T174).

The spelling of 130032222 in words is "one hundred thirty million, thirty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 521 1042 1563 3126 41597 83194 124791 249582 21672037 43344074 65016111 130032222