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130077444 = 22371548541
BaseRepresentation
bin1111100000011…
…01001100000100
3100001202121201010
413300031030010
5231244434234
620524002220
73136432350
oct760151404
9301677633
10130077444
1167475122
1237690370
1320c44b03
14133c0460
15b6466e9
hex7c0d304

130077444 has 24 divisors (see below), whose sum is σ = 346873408. Its totient is φ = 37164960.

The previous prime is 130077419. The next prime is 130077449. The reversal of 130077444 is 444770031.

It is not an unprimeable number, because it can be changed into a prime (130077449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774187 + ... + 774354.

Almost surely, 2130077444 is an apocalyptic number.

130077444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

130077444 is an abundant number, since it is smaller than the sum of its proper divisors (216795964).

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

130077444 is a wasteful number, since it uses less digits than its factorization.

130077444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548555 (or 1548553 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 130077444 is about 11405.1498894140. The cubic root of 130077444 is about 506.6802756809.

The spelling of 130077444 in words is "one hundred thirty million, seventy-seven thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1548541 3097082 4645623 6194164 9291246 10839787 18582492 21679574 32519361 43359148 65038722 130077444