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390002202 = 23417141613
BaseRepresentation
bin10111001111101…
…111011000011010
31000011212011110000
4113033233120122
51244320032302
6102411033430
712443651442
oct2717573032
91004764400
10390002202
11190167477
12aa73b876
1362a50a45
1439b21122
152438b31c
hex173ef61a

390002202 has 40 divisors (see below), whose sum is σ = 925305876. Its totient is φ = 122352768.

The previous prime is 390002167. The next prime is 390002231. The reversal of 390002202 is 202200093.

It can be written as a sum of positive squares in 2 ways, for example, as 385297641 + 4704561 = 19629^2 + 2169^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68053 + ... + 73560.

Almost surely, 2390002202 is an apocalyptic number.

390002202 is an abundant number, since it is smaller than the sum of its proper divisors (535303674).

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

390002202 is a wasteful number, since it uses less digits than its factorization.

390002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141644 (or 141635 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 390002202 is about 19748.4734093550. The cubic root of 390002202 is about 730.6157324574.

Adding to 390002202 its reverse (202200093), we get a palindrome (592202295).

The spelling of 390002202 in words is "three hundred ninety million, two thousand, two hundred two".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 81 102 153 162 306 459 918 1377 2754 141613 283226 424839 849678 1274517 2407421 2549034 3823551 4814842 7222263 7647102 11470653 14444526 21666789 22941306 43333578 65000367 130000734 195001101 390002202