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130220734 = 2721328783
BaseRepresentation
bin1111100001100…
…00001010111110
3100002000220021011
413300300022332
5231314030414
620531025434
73140600200
oct760601276
9302026234
10130220734
1167562846
123773b27a
1320c950b7
141341a770
15b673dc4
hex7c302be

130220734 has 12 divisors (see below), whose sum is σ = 227222064. Its totient is φ = 55808844.

The previous prime is 130220719. The next prime is 130220749. The reversal of 130220734 is 437022031.

It is an interprime number because it is at equal distance from previous prime (130220719) and next prime (130220749).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 664294 + ... + 664489.

It is an arithmetic number, because the mean of its divisors is an integer number (18935172).

Almost surely, 2130220734 is an apocalyptic number.

130220734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

130220734 is a deficient number, since it is larger than the sum of its proper divisors (97001330).

130220734 is a wasteful number, since it uses less digits than its factorization.

130220734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328799 (or 1328792 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 130220734 is about 11411.4299717432. The cubic root of 130220734 is about 506.8662561037.

Adding to 130220734 its reverse (437022031), we get a palindrome (567242765).

The spelling of 130220734 in words is "one hundred thirty million, two hundred twenty thousand, seven hundred thirty-four".

Divisors: 1 2 7 14 49 98 1328783 2657566 9301481 18602962 65110367 130220734