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120705442 = 211131997229
BaseRepresentation
bin1110011000111…
…01000110100010
322102010110201221
413030131012202
5221400033232
615551045254
72663656624
oct714350642
9272113657
10120705442
1162153870
123451082a
131c013050
1412060c14
15a8e4897
hex731d1a2

120705442 has 64 divisors (see below), whose sum is σ = 227203200. Its totient is φ = 47278080.

The previous prime is 120705437. The next prime is 120705451. The reversal of 120705442 is 244507021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526984 + ... + 527212.

It is an arithmetic number, because the mean of its divisors is an integer number (3550050).

Almost surely, 2120705442 is an apocalyptic number.

120705442 is a deficient number, since it is larger than the sum of its proper divisors (106497758).

120705442 is a wasteful number, since it uses less digits than its factorization.

120705442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 120705442 is about 10986.6028416431. The cubic root of 120705442 is about 494.2070656906.

The spelling of 120705442 in words is "one hundred twenty million, seven hundred five thousand, four hundred forty-two".

Divisors: 1 2 11 13 19 22 26 38 97 143 194 209 229 247 286 418 458 494 1067 1261 1843 2134 2519 2522 2717 2977 3686 4351 5038 5434 5954 8702 13871 20273 22213 23959 27742 32747 40546 44426 47861 47918 56563 65494 95722 113126 244343 263549 288769 422047 488686 527098 577538 622193 844094 1244386 3176459 4642517 5486611 6352918 9285034 10973222 60352721 120705442