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270400988 = 2211132916301
BaseRepresentation
bin10000000111011…
…111110111011100
3200211210210102102
4100013133313130
51023210312423
642455344232
76462241034
oct2007376734
9624723372
10270400988
111296a82a0
1276682078
13440364b0
1427caa8c4
1518b13c28
hex101dfddc

270400988 has 48 divisors (see below), whose sum is σ = 575134560. Its totient is φ = 109536000.

The previous prime is 270400981. The next prime is 270401039. The reversal of 270400988 is 889004072.

270400988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2704009882 = 146233388622752288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270400981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8438 + ... + 24738.

It is an arithmetic number, because the mean of its divisors is an integer number (11981970).

Almost surely, 2270400988 is an apocalyptic number.

It is an amenable number.

270400988 is an abundant number, since it is smaller than the sum of its proper divisors (304733572).

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

270400988 is a wasteful number, since it uses less digits than its factorization.

270400988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16358 (or 16356 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 270400988 is about 16443.8738744859. The cubic root of 270400988 is about 646.6502126161.

The spelling of 270400988 in words is "two hundred seventy million, four hundred thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 13 22 26 29 44 52 58 116 143 286 319 377 572 638 754 1276 1508 4147 8294 16301 16588 32602 65204 179311 211913 358622 423826 472729 717244 847652 945458 1890916 2331043 4662086 5200019 6145477 9324172 10400038 12290954 20800076 24581908 67600247 135200494 270400988