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202401342 = 23411138737
BaseRepresentation
bin11000001000001…
…10011000111110
3112002212001110000
430010012120332
5403303320332
632030055130
75005245243
oct1404063076
9462761400
10202401342
11a4283140
125794a4a6
1332c18310
141cc495ca
1512b80b7c
hexc10663e

202401342 has 80 divisors (see below), whose sum is σ = 532878192. Its totient is φ = 56609280.

The previous prime is 202401341. The next prime is 202401347. The reversal of 202401342 is 243104202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202401341) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18798 + ... + 27534.

Almost surely, 2202401342 is an apocalyptic number.

202401342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 202401342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266439096).

202401342 is an abundant number, since it is smaller than the sum of its proper divisors (330476850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202401342 is a wasteful number, since it uses less digits than its factorization.

202401342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8775 (or 8766 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 202401342 is about 14226.7825596654. The cubic root of 202401342 is about 587.1347645079.

Adding to 202401342 its reverse (243104202), we get a palindrome (445505544).

The spelling of 202401342 in words is "two hundred two million, four hundred one thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 11 13 18 22 26 27 33 39 54 66 78 81 99 117 143 162 198 234 286 297 351 429 594 702 858 891 1053 1287 1782 2106 2574 3861 7722 8737 11583 17474 23166 26211 52422 78633 96107 113581 157266 192214 227162 235899 288321 340743 471798 576642 681486 707697 864963 1022229 1249391 1415394 1729926 2044458 2498782 2594889 3066687 3748173 5189778 6133374 7496346 7784667 9200061 11244519 15569334 18400122 22489038 33733557 67467114 101200671 202401342