Search a number
-
+
270098661 = 37191634153
BaseRepresentation
bin10000000110010…
…110000011100101
3200211020102201010
4100012112003211
51023121124121
642445052433
76456541440
oct2006260345
9624212633
10270098661
11129511138
1276557119
1343c5b9c1
1427c2c657
1518aa4376
hex101960e5

270098661 has 32 divisors (see below), whose sum is σ = 436003840. Its totient is φ = 145286784.

The previous prime is 270098659. The next prime is 270098671. The reversal of 270098661 is 166890072.

It is not a de Polignac number, because 270098661 - 21 = 270098659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270098671) 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 31 ways as a sum of consecutive naturals, for example, 62961 + ... + 67113.

It is an arithmetic number, because the mean of its divisors is an integer number (13625120).

Almost surely, 2270098661 is an apocalyptic number.

270098661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

270098661 is a deficient number, since it is larger than the sum of its proper divisors (165905179).

270098661 is a wasteful number, since it uses less digits than its factorization.

270098661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 270098661 is about 16434.6786095743. The cubic root of 270098661 is about 646.4091228599.

The spelling of 270098661 in words is "two hundred seventy million, ninety-eight thousand, six hundred sixty-one".

Divisors: 1 3 7 19 21 57 133 163 399 489 1141 3097 3423 4153 9291 12459 21679 29071 65037 78907 87213 236721 552349 676939 1657047 2030817 4738573 12861841 14215719 38585523 90032887 270098661