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366428490 = 235191135689
BaseRepresentation
bin10101110101110…
…100000101001010
3221112111111101120
4111311310011022
51222301202430
6100205500110
712036406431
oct2565640512
9845444346
10366428490
1117892616a
12a2871636
135abb8abc
1436946118
1522281610
hex15d7414a

366428490 has 64 divisors (see below), whose sum is σ = 934070400. Its totient is φ = 91736064.

The previous prime is 366428477. The next prime is 366428507. The reversal of 366428490 is 94824663.

It is a happy 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, 61566 + ... + 67254.

It is an arithmetic number, because the mean of its divisors is an integer number (14594850).

Almost surely, 2366428490 is an apocalyptic number.

366428490 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 366428490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467035200).

366428490 is an abundant number, since it is smaller than the sum of its proper divisors (567641910).

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

366428490 is a wasteful number, since it uses less digits than its factorization.

366428490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5831.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 366428490 is about 19142.3219594698. The cubic root of 366428490 is about 715.5880470485.

The spelling of 366428490 in words is "three hundred sixty-six million, four hundred twenty-eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 113 114 190 226 285 339 565 570 678 1130 1695 2147 3390 4294 5689 6441 10735 11378 12882 17067 21470 28445 32205 34134 56890 64410 85335 108091 170670 216182 324273 540455 642857 648546 1080910 1285714 1621365 1928571 3214285 3242730 3857142 6428570 9642855 12214283 19285710 24428566 36642849 61071415 73285698 122142830 183214245 366428490