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20101346 = 213972307
BaseRepresentation
bin100110010101…
…1100011100010
31101211020212022
41030223203202
520121220341
61554501442
7332600336
oct114534342
941736768
1020101346
111038a491
126894882
13421a5b5
1429537c6
151b70e4b
hex132b8e2

20101346 has 8 divisors (see below), whose sum is σ = 30369360. Its totient is φ = 9978228.

The previous prime is 20101331. The next prime is 20101349. The reversal of 20101346 is 64310102.

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

It is a super-2 number, since 2×201013462 = 808128222023432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20101349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35876 + ... + 36431.

It is an arithmetic number, because the mean of its divisors is an integer number (3796170).

Almost surely, 220101346 is an apocalyptic number.

20101346 is a deficient number, since it is larger than the sum of its proper divisors (10268014).

20101346 is a wasteful number, since it uses less digits than its factorization.

20101346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72448.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20101346 is about 4483.4524643404. The cubic root of 20101346 is about 271.8994816726.

Adding to 20101346 its reverse (64310102), we get a palindrome (84411448).

The spelling of 20101346 in words is "twenty million, one hundred one thousand, three hundred forty-six".

Divisors: 1 2 139 278 72307 144614 10050673 20101346