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513209070 = 232511539781
BaseRepresentation
bin11110100101101…
…111001011101110
31022202200201111100
4132211233023232
52022340142240
6122531503530
715501130233
oct3645571356
91282621440
10513209070
11243769630
12123a57ba6
138242b50a
144c23378a
15300c6e30
hex1e96f2ee

513209070 has 96 divisors (see below), whose sum is σ = 1483264224. Its totient is φ = 122054400.

The previous prime is 513209069. The next prime is 513209071. The reversal of 513209070 is 70902315.

It is an interprime number because it is at equal distance from previous prime (513209069) and next prime (513209071).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513209071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47580 + ... + 57360.

It is an arithmetic number, because the mean of its divisors is an integer number (15450669).

Almost surely, 2513209070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513209070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741632112).

513209070 is an abundant number, since it is smaller than the sum of its proper divisors (970055154).

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

513209070 is a wasteful number, since it uses less digits than its factorization.

513209070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9858 (or 9855 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 513209070 is about 22654.1181686686. The cubic root of 513209070 is about 800.6292289173.

The spelling of 513209070 in words is "five hundred thirteen million, two hundred nine thousand, seventy".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 53 55 66 90 99 106 110 159 165 198 265 318 330 477 495 530 583 795 954 990 1166 1590 1749 2385 2915 3498 4770 5247 5830 8745 9781 10494 17490 19562 26235 29343 48905 52470 58686 88029 97810 107591 146715 176058 215182 293430 322773 440145 518393 537955 645546 880290 968319 1036786 1075910 1555179 1613865 1936638 2591965 3110358 3227730 4665537 4841595 5183930 5702323 7775895 9331074 9683190 11404646 15551790 17106969 23327685 28511615 34213938 46655370 51320907 57023230 85534845 102641814 171069690 256604535 513209070