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1242309074 = 223593971153
BaseRepresentation
bin100101000001100…
…0010000111010010
310012120121211200012
41022003002013102
510021012342244
6323134554522
742533311226
oct11203020722
93176554605
101242309074
11588284216
122a8068a42
1316a4b9036
14badc4786
15740e689e
hex4a0c21d2

1242309074 has 32 divisors (see below), whose sum is σ = 1984141440. Its totient is φ = 582100992.

The previous prime is 1242309073. The next prime is 1242309083. The reversal of 1242309074 is 4709032421.

It is a self number, because there is not a number n which added to its sum of digits gives 1242309074.

It is not an unprimeable number, because it can be changed into a prime (1242309073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076882 + ... + 1078034.

It is an arithmetic number, because the mean of its divisors is an integer number (62004420).

Almost surely, 21242309074 is an apocalyptic number.

1242309074 is a deficient number, since it is larger than the sum of its proper divisors (741832366).

1242309074 is a wasteful number, since it uses less digits than its factorization.

1242309074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1242309074 is about 35246.4051216574. The cubic root of 1242309074 is about 1075.0035187193.

The spelling of 1242309074 in words is "one billion, two hundred forty-two million, three hundred nine thousand, seventy-four".

Divisors: 1 2 23 46 59 118 397 794 1153 1357 2306 2714 9131 18262 23423 26519 46846 53038 68027 136054 457741 538729 915482 1077458 1564621 3129242 10528043 21056086 27006719 54013438 621154537 1242309074