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1316515242 = 23728235441
BaseRepresentation
bin100111001111000…
…0110110110101010
310101202020220101210
41032132012312222
510144011441432
6334345253550
744424123600
oct11636066652
93352226353
101316515242
11616158429
12308a942b6
1317c99b203
14c6bbd870
157a8a38cc
hex4e786daa

1316515242 has 48 divisors (see below), whose sum is σ = 3067198272. Its totient is φ = 375621120.

The previous prime is 1316515229. The next prime is 1316515253. The reversal of 1316515242 is 2425156131.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 239242 + ... + 244682.

It is an arithmetic number, because the mean of its divisors is an integer number (63899964).

Almost surely, 21316515242 is an apocalyptic number.

1316515242 is an abundant number, since it is smaller than the sum of its proper divisors (1750683030).

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

1316515242 is a wasteful number, since it uses less digits than its factorization.

1316515242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283 (or 6276 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 1316515242 is about 36283.8151522135. The cubic root of 1316515242 is about 1095.9951454533.

The spelling of 1316515242 in words is "one billion, three hundred sixteen million, five hundred fifteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 823 1646 2469 4938 5441 5761 10882 11522 16323 17283 32646 34566 38087 40327 76174 80654 114261 120981 228522 241962 266609 533218 799827 1599654 4477943 8955886 13433829 26867658 31345601 62691202 94036803 188073606 219419207 438838414 658257621 1316515242