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371666490 = 2351335639
BaseRepresentation
bin10110001001110…
…010111000111010
3221220100121120120
4112021302320322
51230121311430
6100514034110
712132053526
oct2611627072
9856317516
10371666490
11180883598
12a4578936
135c001000
143750ad86
1522968610
hex16272e3a

371666490 has 64 divisors (see below), whose sum is σ = 966470400. Its totient is φ = 91470912.

The previous prime is 371666489. The next prime is 371666497. The reversal of 371666490 is 94666173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (371666497) 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, 63091 + ... + 68729.

It is an arithmetic number, because the mean of its divisors is an integer number (15101100).

Almost surely, 2371666490 is an apocalyptic number.

371666490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 371666490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483235200).

371666490 is an abundant number, since it is smaller than the sum of its proper divisors (594803910).

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

371666490 is a wasteful number, since it uses less digits than its factorization.

371666490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688 (or 5662 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 371666490 is about 19278.6537393045. The cubic root of 371666490 is about 718.9816428919.

The spelling of 371666490 in words is "three hundred seventy-one million, six hundred sixty-six thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 338 390 507 845 1014 1690 2197 2535 4394 5070 5639 6591 10985 11278 13182 16917 21970 28195 32955 33834 56390 65910 73307 84585 146614 169170 219921 366535 439842 733070 952991 1099605 1905982 2199210 2858973 4764955 5717946 9529910 12388883 14294865 24777766 28589730 37166649 61944415 74333298 123888830 185833245 371666490