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100132461 = 3211313643
BaseRepresentation
bin1011111011111…
…10011001101101
320222102020220200
411331332121231
5201113214321
613534104113
72324053242
oct575763155
9228366820
10100132461
1151582000
122964b039
131798bba0
14d4275c9
158bcdd26
hex5f7e66d

100132461 has 48 divisors (see below), whose sum is σ = 171592512. Its totient is φ = 55931040.

The previous prime is 100132411. The next prime is 100132463. The reversal of 100132461 is 164231001.

It is a happy number.

It is not a de Polignac number, because 100132461 - 226 = 33023597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100132463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155406 + ... + 156048.

It is an arithmetic number, because the mean of its divisors is an integer number (3574844).

Almost surely, 2100132461 is an apocalyptic number.

100132461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100132461 is a deficient number, since it is larger than the sum of its proper divisors (71460051).

100132461 is a wasteful number, since it uses less digits than its factorization.

100132461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 100132461 is about 10006.6208582118. The cubic root of 100132461 is about 464.3637361041.

Adding to 100132461 its reverse (164231001), we get a palindrome (264363462).

The spelling of 100132461 in words is "one hundred million, one hundred thirty-two thousand, four hundred sixty-one".

Divisors: 1 3 9 11 13 33 39 99 117 121 143 363 429 643 1089 1287 1331 1573 1929 3993 4719 5787 7073 8359 11979 14157 17303 21219 25077 51909 63657 75231 77803 91949 155727 233409 275847 700227 827541 855833 1011439 2567499 3034317 7702497 9102951 11125829 33377487 100132461