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202213396 = 227211711321
BaseRepresentation
bin11000000110110…
…00100000010100
3112002111111122001
430003120200110
5403231312041
632022045044
75003533300
oct1403304024
9462444561
10202213396
11a4164a10
1257879784
1332b808c8
141cbdad00
1512b45131
hexc0d8814

202213396 has 72 divisors (see below), whose sum is σ = 455740992. Its totient is φ = 77616000.

The previous prime is 202213393. The next prime is 202213439. The reversal of 202213396 is 693312202.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202213393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152416 + ... + 153736.

It is an arithmetic number, because the mean of its divisors is an integer number (6329736).

Almost surely, 2202213396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202213396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227870496).

202213396 is an abundant number, since it is smaller than the sum of its proper divisors (253527596).

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

202213396 is a wasteful number, since it uses less digits than its factorization.

202213396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 202213396 is about 14220.1756669881. The cubic root of 202213396 is about 586.9529742043.

Adding to 202213396 its reverse (693312202), we get a palindrome (895525598).

The spelling of 202213396 in words is "two hundred two million, two hundred thirteen thousand, three hundred ninety-six".

Divisors: 1 2 4 7 11 14 22 28 44 49 71 77 98 142 154 196 284 308 497 539 781 994 1078 1321 1562 1988 2156 2642 3124 3479 5284 5467 6958 9247 10934 13916 14531 18494 21868 29062 36988 38269 58124 64729 76538 93791 101717 129458 153076 187582 203434 258916 375164 406868 656537 712019 1031701 1313074 1424038 2063402 2626148 2848076 4126804 4595759 7221907 9191518 14443814 18383036 28887628 50553349 101106698 202213396