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334989090 = 23253722101
BaseRepresentation
bin10011111101111…
…000011100100010
3212100100012122100
4103331320130202
51141224122330
653123551230
711205234402
oct2375703442
9770305570
10334989090
11162102297
129422b516
135452b8c7
14326c0802
151e621060
hex13f78722

334989090 has 24 divisors (see below), whose sum is σ = 870971868. Its totient is φ = 89330400.

The previous prime is 334989059. The next prime is 334989091. The reversal of 334989090 is 90989433.

It can be written as a sum of positive squares in 2 ways, for example, as 330839721 + 4149369 = 18189^2 + 2037^2 .

It is a super-2 number, since 2×3349890902 = 224435380838056200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (334989091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1860961 + ... + 1861140.

Almost surely, 2334989090 is an apocalyptic number.

334989090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

334989090 is an abundant number, since it is smaller than the sum of its proper divisors (535982778).

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

334989090 is a wasteful number, since it uses less digits than its factorization.

334989090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722114 (or 3722111 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 334989090 is about 18302.7071768086. The cubic root of 334989090 is about 694.5074162605.

The spelling of 334989090 in words is "three hundred thirty-four million, nine hundred eighty-nine thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 3722101 7444202 11166303 18610505 22332606 33498909 37221010 55831515 66997818 111663030 167494545 334989090