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1232213090 = 25281943711
BaseRepresentation
bin100100101110010…
…0001010001100010
310011212121220120212
41021130201101202
510010421304330
6322134334122
742351431663
oct11134412142
93155556525
101232213090
11582608a29
122a47ba342
13168392894
14b991736a
15732a0295
hex49721462

1232213090 has 16 divisors (see below), whose sum is σ = 2218821120. Its totient is φ = 492699120.

The previous prime is 1232213089. The next prime is 1232213093. The reversal of 1232213090 is 903122321.

It is not an unprimeable number, because it can be changed into a prime (1232213093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6335 + ... + 50045.

It is an arithmetic number, because the mean of its divisors is an integer number (138676320).

Almost surely, 21232213090 is an apocalyptic number.

1232213090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232213090 is a deficient number, since it is larger than the sum of its proper divisors (986608030).

1232213090 is a wasteful number, since it uses less digits than its factorization.

1232213090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46537.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1232213090 is about 35102.8929007283. The cubic root of 1232213090 is about 1072.0834852048.

The spelling of 1232213090 in words is "one billion, two hundred thirty-two million, two hundred thirteen thousand, ninety".

Divisors: 1 2 5 10 2819 5638 14095 28190 43711 87422 218555 437110 123221309 246442618 616106545 1232213090