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352387290 = 235831371033
BaseRepresentation
bin10101000000010…
…000000011011010
3220120002010111010
4111000100003122
51210202343130
654544514350
711506146123
oct2500200332
9816063433
10352387290
11170a05872
129a01b9b6
13580109b8
1434b2d04a
1520e0b0b0
hex150100da

352387290 has 64 divisors (see below), whose sum is σ = 863001216. Its totient is φ = 92070912.

The previous prime is 352387289. The next prime is 352387303. The reversal of 352387290 is 92783253.

It is a super-5 number, since 5×3523872905 (a number of 44 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340614 + ... + 341646.

It is an arithmetic number, because the mean of its divisors is an integer number (13484394).

Almost surely, 2352387290 is an apocalyptic number.

352387290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

352387290 is an abundant number, since it is smaller than the sum of its proper divisors (510613926).

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

352387290 is a wasteful number, since it uses less digits than its factorization.

352387290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 352387290 is about 18771.9815150133. The cubic root of 352387290 is about 706.3285245396.

The spelling of 352387290 in words is "three hundred fifty-two million, three hundred eighty-seven thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 83 137 166 249 274 411 415 498 685 822 830 1033 1245 1370 2055 2066 2490 3099 4110 5165 6198 10330 11371 15495 22742 30990 34113 56855 68226 85739 113710 141521 170565 171478 257217 283042 341130 424563 428695 514434 707605 849126 857390 1286085 1415210 2122815 2572170 4245630 11746243 23492486 35238729 58731215 70477458 117462430 176193645 352387290