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1906742734 = 213235360161
BaseRepresentation
bin111000110100110…
…1001010111001110
311220212212120022021
41301221221113032
512401111231414
6513112040354
765152021501
oct16151512716
94825776267
101906742734
11899341046
124526930ba
13245054950
14141341138
15b25e0c24
hex71a695ce

1906742734 has 32 divisors (see below), whose sum is σ = 3274737984. Its totient is φ = 825876480.

The previous prime is 1906742731. The next prime is 1906742737. The reversal of 1906742734 is 4372476091.

It is an interprime number because it is at equal distance from previous prime (1906742731) and next prime (1906742737).

It is a super-3 number, since 3×19067427343 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906742731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1614 + ... + 61774.

It is an arithmetic number, because the mean of its divisors is an integer number (102335562).

Almost surely, 21906742734 is an apocalyptic number.

1906742734 is a deficient number, since it is larger than the sum of its proper divisors (1367995250).

1906742734 is a wasteful number, since it uses less digits than its factorization.

1906742734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60252.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 1906742734 is about 43666.2654001919. The cubic root of 1906742734 is about 1240.0257395802.

The spelling of 1906742734 in words is "one billion, nine hundred six million, seven hundred forty-two thousand, seven hundred thirty-four".

Divisors: 1 2 13 23 26 46 53 106 299 598 689 1219 1378 2438 15847 31694 60161 120322 782093 1383703 1564186 2767406 3188533 6377066 17988139 35976278 41450929 73336259 82901858 146672518 953371367 1906742734