Search a number
-
+
107223213 = 3191881109
BaseRepresentation
bin1100110010000…
…01100010101101
321110202111121010
412121001202231
5204422120323
614350055433
72441245056
oct631014255
9243674533
10107223213
1155585429
122baaa579
13192a24b6
141035172d
15962ec93
hex66418ad

107223213 has 8 divisors (see below), whose sum is σ = 150488800. Its totient is φ = 67719888.

The previous prime is 107223211. The next prime is 107223257. The reversal of 107223213 is 312322701.

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

It is not a de Polignac number, because 107223213 - 21 = 107223211 is a prime.

It is a super-2 number, since 2×1072232132 = 22993634812086738, 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 107223213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107223211) 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, 940498 + ... + 940611.

It is an arithmetic number, because the mean of its divisors is an integer number (18811100).

Almost surely, 2107223213 is an apocalyptic number.

It is an amenable number.

107223213 is a deficient number, since it is larger than the sum of its proper divisors (43265587).

107223213 is a wasteful number, since it uses less digits than its factorization.

107223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881131.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 107223213 is about 10354.8642192933. The cubic root of 107223213 is about 475.0758335066.

Adding to 107223213 its reverse (312322701), we get a palindrome (419545914).

The spelling of 107223213 in words is "one hundred seven million, two hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 3 19 57 1881109 5643327 35741071 107223213