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1223402030 = 25436534357
BaseRepresentation
bin100100011101011…
…1010001000101110
310011021001021002022
41020322322020232
510001142331110
6321221430142
742213513524
oct11072721056
93137037068
101223402030
11578640064
122a186b352
131665c9236
14b86a2314
157260e755
hex48eba22e

1223402030 has 32 divisors (see below), whose sum is σ = 2257304544. Its totient is φ = 477138816.

The previous prime is 1223402017. The next prime is 1223402101. The reversal of 1223402030 is 302043221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278612 + ... + 282968.

It is an arithmetic number, because the mean of its divisors is an integer number (70540767).

Almost surely, 21223402030 is an apocalyptic number.

1223402030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223402030 is a deficient number, since it is larger than the sum of its proper divisors (1033902514).

1223402030 is a wasteful number, since it uses less digits than its factorization.

1223402030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1223402030 is about 34977.1644076532. The cubic root of 1223402030 is about 1069.5220242670.

Adding to 1223402030 its reverse (302043221), we get a palindrome (1525445251).

The spelling of 1223402030 in words is "one billion, two hundred twenty-three million, four hundred two thousand, thirty".

Divisors: 1 2 5 10 43 86 215 430 653 1306 3265 4357 6530 8714 21785 28079 43570 56158 140395 187351 280790 374702 936755 1873510 2845121 5690242 14225605 28451210 122340203 244680406 611701015 1223402030