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72098370 = 2335713761
BaseRepresentation
bin1000100110000…
…10001001000010
312000122222101000
410103002021002
5121424121440
611053152430
71533553221
oct423021102
9160588330
1072098370
1137774633
122018b716
1311c24976
14980acb8
1564e2730
hex44c2242

72098370 has 64 divisors (see below), whose sum is σ = 195022080. Its totient is φ = 18950400.

The previous prime is 72098359. The next prime is 72098371. The reversal of 72098370 is 7389027.

It is not an unprimeable number, because it can be changed into a prime (72098371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17290 + ... + 21050.

It is an arithmetic number, because the mean of its divisors is an integer number (3047220).

Almost surely, 272098370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72098370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97511040).

72098370 is an abundant number, since it is smaller than the sum of its proper divisors (122923710).

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

72098370 is a wasteful number, since it uses less digits than its factorization.

72098370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848 (or 3842 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 72098370 is about 8491.0759035590. The cubic root of 72098370 is about 416.2061393603.

The spelling of 72098370 in words is "seventy-two million, ninety-eight thousand, three hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 71 90 135 142 213 270 355 426 639 710 1065 1278 1917 2130 3195 3761 3834 6390 7522 9585 11283 18805 19170 22566 33849 37610 56415 67698 101547 112830 169245 203094 267031 338490 507735 534062 801093 1015470 1335155 1602186 2403279 2670310 4005465 4806558 7209837 8010930 12016395 14419674 24032790 36049185 72098370