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233028741 = 31117415381
BaseRepresentation
bin11011110001110…
…11110010000101
3121020111002100010
431320323302011
5434123404431
635042340433
75526466041
oct1570736205
9536432303
10233028741
1110a5a1a40
126605a719
133937ca3a
1422d3d021
15156d0846
hexde3bc85

233028741 has 16 divisors (see below), whose sum is σ = 358890048. Its totient is φ = 132921600.

The previous prime is 233028727. The next prime is 233028781. The reversal of 233028741 is 147820332.

It is not a de Polignac number, because 233028741 - 217 = 232897669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233028699 and 233028708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233028721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207130 + ... + 208251.

It is an arithmetic number, because the mean of its divisors is an integer number (22430628).

Almost surely, 2233028741 is an apocalyptic number.

It is an amenable number.

233028741 is a deficient number, since it is larger than the sum of its proper divisors (125861307).

233028741 is a wasteful number, since it uses less digits than its factorization.

233028741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415412.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 233028741 is about 15265.2789362003. The cubic root of 233028741 is about 615.3702496554.

The spelling of 233028741 in words is "two hundred thirty-three million, twenty-eight thousand, seven hundred forty-one".

Divisors: 1 3 11 17 33 51 187 561 415381 1246143 4569191 7061477 13707573 21184431 77676247 233028741