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233313030 = 232510125667
BaseRepresentation
bin11011110100000…
…01001100000110
3121021000112022100
431322001030012
5434212004110
635052412530
75532061626
oct1572011406
9537015270
10233313030
1110a776595
1266177146
133944c262
1422db4886
1515739bc0
hexde81306

233313030 has 48 divisors (see below), whose sum is σ = 612643824. Its totient is φ = 61598400.

The previous prime is 233313013. The next prime is 233313043. The reversal of 233313030 is 30313332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 233312994 and 233313012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3744 + ... + 21923.

It is an arithmetic number, because the mean of its divisors is an integer number (12763413).

Almost surely, 2233313030 is an apocalyptic number.

233313030 is an abundant number, since it is smaller than the sum of its proper divisors (379330794).

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

233313030 is a wasteful number, since it uses less digits than its factorization.

233313030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25781 (or 25778 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 233313030 is about 15274.5877194771. The cubic root of 233313030 is about 615.6203931905.

Adding to 233313030 its reverse (30313332), we get a palindrome (263626362).

The spelling of 233313030 in words is "two hundred thirty-three million, three hundred thirteen thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 101 202 303 505 606 909 1010 1515 1818 3030 4545 9090 25667 51334 77001 128335 154002 231003 256670 385005 462006 770010 1155015 2310030 2592367 5184734 7777101 12961835 15554202 23331303 25923670 38885505 46662606 77771010 116656515 233313030