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100216257 = 3291151911
BaseRepresentation
bin1011111100100…
…10110111000001
320222120111212020
411332102313001
5201123410012
613535552053
72324552451
oct576226701
9228514766
10100216257
1151629a59
122968b629
13179bb07b
14d449d61
158be8a8c
hex5f92dc1

100216257 has 8 divisors (see below), whose sum is σ = 138229440. Its totient is φ = 64506960.

The previous prime is 100216253. The next prime is 100216271. The reversal of 100216257 is 752612001.

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

It is not a de Polignac number, because 100216257 - 22 = 100216253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100216253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575869 + ... + 576042.

It is an arithmetic number, because the mean of its divisors is an integer number (17278680).

Almost surely, 2100216257 is an apocalyptic number.

It is an amenable number.

100216257 is a deficient number, since it is larger than the sum of its proper divisors (38013183).

100216257 is a wasteful number, since it uses less digits than its factorization.

100216257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151943.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 100216257 is about 10010.8070104263. The cubic root of 100216257 is about 464.4932344832.

Adding to 100216257 its reverse (752612001), we get a palindrome (852828258).

The spelling of 100216257 in words is "one hundred million, two hundred sixteen thousand, two hundred fifty-seven".

Divisors: 1 3 29 87 1151911 3455733 33405419 100216257