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100420319 = 539072089
BaseRepresentation
bin1011111110001…
…00101011011111
320222221212210002
411333010223133
5201201422234
613544204515
72326362416
oct577045337
9228855702
10100420319
11517592aa
122976973b
1317a5cc0c
14d4a047d
158c3927e
hex5fc4adf

100420319 has 8 divisors (see below), whose sum is σ = 102476880. Its totient is φ = 98369856.

The previous prime is 100420291. The next prime is 100420363. The reversal of 100420319 is 913024001.

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

It is a cyclic number.

It is not a de Polignac number, because 100420319 - 220 = 99371743 is a prime.

It is a super-2 number, since 2×1004203192 = 20168480936123522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100420319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100420519) 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, 47027 + ... + 49115.

It is an arithmetic number, because the mean of its divisors is an integer number (12809610).

Almost surely, 2100420319 is an apocalyptic number.

100420319 is a deficient number, since it is larger than the sum of its proper divisors (2056561).

100420319 is an equidigital number, since it uses as much as digits as its factorization.

100420319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 100420319 is about 10020.9939127813. The cubic root of 100420319 is about 464.8082903414.

The spelling of 100420319 in words is "one hundred million, four hundred twenty thousand, three hundred nineteen".

Divisors: 1 53 907 2089 48071 110717 1894723 100420319