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27002970 = 2345173753
BaseRepresentation
bin110011100000…
…0100001011010
31212210220010000
41213000201122
523403043340
62402433430
7445343601
oct147004132
955726100
1027002970
1114273805
129062876
135795ab7
14382ca38
152585d30
hex19c085a

27002970 has 160 divisors (see below), whose sum is σ = 80446608. Its totient is φ = 6469632.

The previous prime is 27002929. The next prime is 27002981. The reversal of 27002970 is 7920072.

It can be written as a sum of positive squares in 8 ways, for example, as 23532201 + 3470769 = 4851^2 + 1863^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

27002970 is a modest number, since divided by 2970 gives 2700 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 509464 + ... + 509516.

Almost surely, 227002970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27002970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40223304).

27002970 is an abundant number, since it is smaller than the sum of its proper divisors (53443638).

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

27002970 is a wasteful number, since it uses less digits than its factorization.

27002970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 27002970 is about 5196.4382032311. The cubic root of 27002970 is about 300.0109995967.

It can be divided in two parts, 27002 and 970, that added together give a palindrome (27972).

The spelling of 27002970 in words is "twenty-seven million, two thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 37 45 51 53 54 74 81 85 90 102 106 111 135 153 159 162 170 185 222 255 265 270 306 318 333 370 405 459 477 510 530 555 629 666 765 795 810 901 918 954 999 1110 1258 1377 1431 1530 1590 1665 1802 1887 1961 1998 2295 2385 2703 2754 2862 2997 3145 3330 3774 3922 4293 4505 4590 4770 4995 5406 5661 5883 5994 6290 6885 7155 8109 8586 9010 9435 9805 9990 11322 11766 13515 13770 14310 14985 16218 16983 17649 18870 19610 21465 24327 27030 28305 29415 29970 33337 33966 35298 40545 42930 48654 50949 52947 56610 58830 66674 72981 81090 84915 88245 100011 101898 105894 121635 145962 158841 166685 169830 176490 200022 243270 254745 264735 300033 317682 333370 364905 500055 509490 529470 600066 729810 794205 900099 1000110 1500165 1588410 1800198 2700297 3000330 4500495 5400594 9000990 13501485 27002970