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100132705 = 5191104851
BaseRepresentation
bin1011111011111…
…10011101100001
320222102021020201
411331332131201
5201113221310
613534105201
72324054041
oct575763541
9228367221
10100132705
1151582202
122964b201
131798c02a
14d427721
158bcde3a
hex5f7e761

100132705 has 8 divisors (see below), whose sum is σ = 120789504. Its totient is φ = 79686000.

The previous prime is 100132691. The next prime is 100132723. The reversal of 100132705 is 507231001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100132705 - 25 = 100132673 is a prime.

It is a super-2 number, since 2×1001327052 = 20053117221234050, which contains 22 as substring.

It is a Duffinian 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, 51471 + ... + 53380.

It is an arithmetic number, because the mean of its divisors is an integer number (15098688).

Almost surely, 2100132705 is an apocalyptic number.

It is an amenable number.

100132705 is a deficient number, since it is larger than the sum of its proper divisors (20656799).

100132705 is a wasteful number, since it uses less digits than its factorization.

100132705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105047.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 100132705 is about 10006.6330501323. The cubic root of 100132705 is about 464.3641132866.

Adding to 100132705 its reverse (507231001), we get a palindrome (607363706).

The spelling of 100132705 in words is "one hundred million, one hundred thirty-two thousand, seven hundred five".

Divisors: 1 5 191 955 104851 524255 20026541 100132705