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712380690 = 23357376921
BaseRepresentation
bin101010011101100…
…001000100010010
31211122110200121000
4222131201010102
52424332140230
6154404442430
723440064430
oct5235410422
91748420530
10712380690
1133613617a
1217a6a9416
13b4785748
146a87bd50
154281ab60
hex2a761112

712380690 has 64 divisors (see below), whose sum is σ = 2171070720. Its totient is φ = 162829440.

The previous prime is 712380689. The next prime is 712380709. The reversal of 712380690 is 96083217.

It is a super-2 number, since 2×7123806902 = 1014972494969752200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186571 + ... + 190350.

It is an arithmetic number, because the mean of its divisors is an integer number (33922980).

Almost surely, 2712380690 is an apocalyptic number.

712380690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

712380690 is an abundant number, since it is smaller than the sum of its proper divisors (1458690030).

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

712380690 is a wasteful number, since it uses less digits than its factorization.

712380690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376944 (or 376938 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 712380690 is about 26690.4606554477. The cubic root of 712380690 is about 893.1081371856.

The spelling of 712380690 in words is "seven hundred twelve million, three hundred eighty thousand, six hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 376921 753842 1130763 1884605 2261526 2638447 3392289 3769210 5276894 5653815 6784578 7915341 10176867 11307630 13192235 15830682 16961445 20353734 23746023 26384470 33922890 39576705 47492046 50884335 71238069 79153410 101768670 118730115 142476138 237460230 356190345 712380690