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132720814 = 21913925127
BaseRepresentation
bin1111110100100…
…10100010101110
3100020201220201201
413322102202232
5232434031224
621100400114
73201052102
oct772224256
9306656651
10132720814
1168a10126
123854603a
132165c035
14138ab902
15b9b9a44
hex7e928ae

132720814 has 16 divisors (see below), whose sum is σ = 211075200. Its totient is φ = 62412984.

The previous prime is 132720799. The next prime is 132720839. The reversal of 132720814 is 418027231.

It is a super-3 number, since 3×1327208143 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 7282 + ... + 17845.

It is an arithmetic number, because the mean of its divisors is an integer number (13192200).

Almost surely, 2132720814 is an apocalyptic number.

132720814 is a deficient number, since it is larger than the sum of its proper divisors (78354386).

132720814 is a wasteful number, since it uses less digits than its factorization.

132720814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25287.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 132720814 is about 11520.4519876609. The cubic root of 132720814 is about 510.0894550249.

The spelling of 132720814 in words is "one hundred thirty-two million, seven hundred twenty thousand, eight hundred fourteen".

Divisors: 1 2 19 38 139 278 2641 5282 25127 50254 477413 954826 3492653 6985306 66360407 132720814