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942949540 = 2251317213337
BaseRepresentation
bin111000001101000…
…100010010100100
32102201022210121001
4320031010102210
53412343341130
6233322403044
732236640011
oct7015042244
92381283531
10942949540
114442a7a45
12223960484
13120483910
148d33a708
1557bb26ca
hex383444a4

942949540 has 48 divisors (see below), whose sum is σ = 2257969392. Its totient is φ = 327684096.

The previous prime is 942949531. The next prime is 942949543. The reversal of 942949540 is 45949249.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 101485476 + 841464064 = 10074^2 + 29008^2 .

It is not an unprimeable number, because it can be changed into a prime (942949543) 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, 102249 + ... + 111088.

It is an arithmetic number, because the mean of its divisors is an integer number (47041029).

Almost surely, 2942949540 is an apocalyptic number.

It is an amenable number.

942949540 is an abundant number, since it is smaller than the sum of its proper divisors (1315019852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

942949540 is a wasteful number, since it uses less digits than its factorization.

942949540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213376 (or 213374 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 942949540 is about 30707.4834527351. The cubic root of 942949540 is about 980.6096234727.

The spelling of 942949540 in words is "nine hundred forty-two million, nine hundred forty-nine thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 340 442 884 1105 2210 4420 213337 426674 853348 1066685 2133370 2773381 3626729 4266740 5546762 7253458 11093524 13866905 14506916 18133645 27733810 36267290 47147477 55467620 72534580 94294954 188589908 235737385 471474770 942949540