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672572530 = 257217263307
BaseRepresentation
bin101000000101101…
…010010001110010
31201212120020001201
4220011222101302
52334134310110
6150423321414
722444525600
oct5005522162
91655506051
10672572530
11315716773
121692b026a
13a9458316
1465478870
153e0a5b3a
hex2816a472

672572530 has 96 divisors (see below), whose sum is σ = 1501670016. Its totient is φ = 215502336.

The previous prime is 672572521. The next prime is 672572533. The reversal of 672572530 is 35275276.

It is a super-2 number, since 2×6725725302 = 904707616221201800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 672572530.

It is not an unprimeable number, because it can be changed into a prime (672572533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2190637 + ... + 2190943.

It is an arithmetic number, because the mean of its divisors is an integer number (15642396).

Almost surely, 2672572530 is an apocalyptic number.

672572530 is an abundant number, since it is smaller than the sum of its proper divisors (829097486).

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

672572530 is a wasteful number, since it uses less digits than its factorization.

672572530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 672572530 is about 25934.0033546693. The cubic root of 672572530 is about 876.1525079720.

The spelling of 672572530 in words is "six hundred seventy-two million, five hundred seventy-two thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 49 70 85 98 119 170 238 245 263 307 490 526 595 614 833 1190 1315 1535 1666 1841 2149 2630 3070 3682 4165 4298 4471 5219 8330 8942 9205 10438 10745 12887 15043 18410 21490 22355 25774 26095 30086 31297 36533 44710 52190 62594 64435 73066 75215 80741 128870 150430 156485 161482 182665 219079 255731 312970 365330 403705 438158 511462 565187 807410 1095395 1130374 1278655 1372597 2190790 2557310 2745194 2825935 3956309 5651870 6862985 7912618 9608179 13725970 19216358 19781545 39563090 48040895 67257253 96081790 134514506 336286265 672572530